Strategies for mitigation of climate change: a review
Open accessAbstract
Climate change is defined as the shift in climate patterns mainly caused by greenhouse gas emissions from natural systems and human activities. So far, anthropogenic activities have caused about 1.0 °C of global warming above the pre-industrial level and this is likely to reach 1.5 °C between 2030 and 2052 if the current emission rates persist. In 2018, the world encountered 315 cases of natural disasters which are mainly related to the climate. Approximately 68.5 million people were affected, and economic losses amounted to $131.7 billion, of which storms, floods, wildfires and droughts accounted for approximately 93%. Economic losses attributed to wildfires in 2018 alone are almost equal to the collective losses from wildfires incurred over the past decade, which is quite alarming. Furthermore, food, water, health, ecosystem, human habitat and infrastructure have been identified as the most vulnerable sectors under climate attack. In 2015, the Paris agreement was introduced with the main objective of limiting global temperature increase to 2 °C by 2100 and pursuing efforts to limit the increase to 1.5 °C. This article reviews the main strategies for climate change abatement, namely conventional mitigation, negative emissions and radiative forcing geoengineering. Conventional mitigation technologies focus on reducing fossil-based CO 2 emissions. Negative emissions technologies are aiming to capture and sequester atmospheric carbon to reduce carbon dioxide levels. Finally, geoengineering techniques of radiative forcing alter the earth’s radiative energy budget to stabilize or reduce global temperatures. It is evident that conventional mitigation efforts alone are not sufficient to meet the targets stipulated by the Paris agreement; therefore, the utilization of alternative routes appears inevitable. While various technologies presented may still be at an early stage of development, biogenic-based sequestration techniques are to a certain extent mature and can be deployed immediately.
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TL;DR
This review synthesizes three climate change mitigation strategies: conventional mitigation, negative emissions, and radiative forcing geoengineering. It concludes that conventional mitigation alone cannot meet Paris Agreement targets, and that negative emissions—especially mature biogenic-based sequestration—are needed alongside decarbonization.
Key findings
- Anthropogenic activities have caused about 1.0 °C of global warming above pre-industrial levels (likely range 0.8–1.2 °C), and warming is likely to reach 1.5 °C between 2030 and 2052 if current emission rates persist. In 2018, total greenhouse gas emissions were 55.3 GtCO₂e, including 37.5 GtCO₂ from fossil CO₂ and 3.5 GtCO₂ from land-use change; together these accounted for approximately 74% of global greenhouse gas emissions.
- In 2018, the world experienced 315 natural disasters, mainly climate-related, affecting 68.5 million people and causing $131.7 billion in economic losses; storms, floods, wildfires, and droughts accounted for approximately 93% of those costs.
- Conventional mitigation technologies focus on reducing fossil-based CO₂ emissions; negative emissions technologies capture and sequester atmospheric carbon; radiative forcing geoengineering alters Earth’s radiative energy budget without changing atmospheric greenhouse gas concentrations.
- Conventional mitigation efforts alone are not sufficient to meet Paris Agreement targets. Biogenic-based sequestration techniques are relatively mature and can be deployed immediately, while many other negative emissions technologies and all radiative forcing geoengineering techniques remain at early, theoretical, or trial stages with uncertainty and risk.
Methods
- Narrative literature review covering conventional mitigation, negative emissions, and radiative forcing geoengineering, drawing on cited studies, reports, and assessments.
- Bibliometric analysis using the Web of Science core collection, with search terms for climate change mitigation/abatement and specific technologies, limited to 2015–2020; 3,993 papers were retrieved (3,386 articles, 362 reviews, 201 proceedings papers, 71 early access, 61 editorial materials) and analyzed with VOSviewer keyword co-occurrence maps.
- No primary experimental data; the paper synthesizes published estimates of carbon removal potentials, costs, technology readiness, and policy barriers.
Limitations
- The paper states that radiative forcing geoengineering techniques are still theoretical or at very early trial stages and carry uncertainty and risk; negative emissions technologies face barriers including land and resource competition, energy requirements, cost, permanence, monitoring/reporting/verification, and inadequate carbon pricing; carbon capture and storage faces leakage, cost, and public acceptance issues.
- Evident from the text: as a review, it relies on secondary literature and cited estimates rather than original data, and the bibliometric analysis is limited to Web of Science, a 2015–2020 timespan, and specific search terms, so it may not capture all relevant research.
- The paper does not explicitly state limitations of its own review methodology.
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Integrity signals
Registry
Cites
Statistics
Claims the paper makes
0 of 210 cited sources checked · 0 supported · 0 flagged
- Findingown data
Research related to policy, energy, and in particular renewable energy has received much attention in the climate change mitigation literature over the past 5 years.
“Furthermore, research related to policy, energy and in particular renewable energy has also received much attention.”
Quote in the paperNot a substantial claim- Rests on an assumption: Keyword co-occurrence patterns in the bibliometric maps validly indicate trends and gaps in climate change mitigation research.
- Findingown data
Bibliometric visualization maps of climate change mitigation research (2015-2020) show that biomass, carbon sequestration, especially soil carbon sequestration, and biochar have received high attention over the past 5 years.
“The visualization maps highlight various trends related to climate change mitigation, where areas related to biomass, carbon sequestration, especially soil carbon sequestration, and biochar have received high attention over the past 5 years.”
Quote in the paperSubstantial claim- Rests on an assumption: Keyword co-occurrence patterns in the bibliometric maps validly indicate trends and gaps in climate change mitigation research.
- Findingown data
Radiative forcing geoengineering technologies have not received much attention in the literature.
“It is also evident from the literature that radiative forcing geoengineering technologies have not received much attention.”
Quote in the paperSubstantial claim- Rests on an assumption: Keyword co-occurrence patterns in the bibliometric maps validly indicate trends and gaps in climate change mitigation research.
- Rests on an assumption: The literature search over the last 5 years in the selected indexes captures the relevant literature on climate change mitigation.
- Premisecitation
Global warming is likely to reach 1.5 °C between 2030 and 2052 if the current emission rates persist.
“It is stated that global warming is likely to reach 1.5 °C between 2030 and 2052 if the current emission rates persist (IPCC 2018).”
- Also stated in: § Abstract · hedged
“this is likely to reach 1.5 °C between 2030 and 2052 if the current emission rates persist.”
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- The authors state this as an assumption: Current emission rates will persist.
- Also stated in: § Abstract · hedged
- Premisecitation
If the predicted best-case level of emissions is maintained between 2030 and 2050, a temperature increase of at least 3 °C would be realized.
“It is concluded that if the predicted best-case level of emissions is maintained between 2030 and 2050 a temperature increase of at least 3 °C would be realized.”
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- The authors state this as an assumption: The predicted best-case level of emissions is maintained between 2030 and 2050.
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It is possible to reduce greenhouse gas emissions by approximately 1.58% annually upon emissions trading scheme implementation.
“it is possible to reduce greenhouse gas emissions by approximately 1.58% annually upon scheme implementation.”
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To meet the 1.5 °C target by the end of the century, greenhouse gas emissions should be maintained at 25-30 GtCO2e year−1 by 2030.
“To meet the 1.5 °C target by the end of the century, the IPCC stated that by 2030 greenhouse gas emissions should be maintained at 25-30 GtCO 2 e year -1 .”
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A best-case scenario would be an annual global emission increase of approximately 19.3% in 2030 compared to the base period 2005-2015.
“The analysis concluded that a best-case scenario would be an annual global emission increase of approximately 19.3% in 2030 compared to the base period (2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015).”
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Current unconditional nationally determined contributions for 2030 are estimated at 52-58 GtCO2e year−1.
“In comparison, the current unconditional nationally determined contributions for 2030 are estimated at 52-58 GtCO 2 e year -1 .”
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Human-induced climate change is a major driving force behind many natural disasters occurring globally.
“It is evident that human-induced climate change is a major driving force behind many natural disasters occurring globally.”
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Food, water, health, ecosystem, human habitat and infrastructure are the most vulnerable sectors under climate attack.
“food, water, health, ecosystem, human habitat and infrastructure are the most vulnerable sectors under climate attack”
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The world is in a current state of climate emergency.
“It can be simply concluded that the world is in a current state of climate emergency.”
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An increase of 70% in population affected by fluvial floods is projected under the 2 °C scenario compared to 1.5 °C, especially in USA, Europe and Asia.
“An increase of 70% in population affected by fluvial floods is projected under the 2 °C scenario compared to 1.5 °C, especially in USA, Europe and Asia.”
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- Interpretationreasoning
Conventional mitigation efforts alone are not sufficient to meet the targets stipulated by the Paris agreement.
“It is evident that conventional mitigation efforts alone are not sufficient to meet the targets stipulated by the Paris agreement; therefore, the utilization of alternative routes appears inevitable.”
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Current mitigation efforts and future emissions commitments are not sufficient to achieve the temperature goals set by the Paris agreement.
“There is growing evidence that confirms that current mitigation efforts, as well as future emissions commitments, are not sufficient to achieve the temperature goals set by the Paris agreement (Nieto et al. 2018;Lawrence et al. 2018).”
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Double or triple rates of species extinction in terrestrial ecosystems are projected under the 2 °C level compared to 1.5 °C.
“Double or triple rates of species extinction in terrestrial ecosystems are projected under the 2 °C level compared to 1.5 °C (IPCC 2018).”
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Water stress would carry double the risk under a 2 °C level compared to 1.5 °C.
“water stress would carry double the risk under a 2 °C level compared to 1.5 °C.”
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A 4 °C increase would be assured if annual emissions continue to increase.
“Furthermore, a 4 °C increase would be assured if annual emissions continue to increase (Nieto et al. 2018).”
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- The authors state this as an assumption: Annual emissions continue to increase.
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After 10 years of emissions trading scheme implementation, approximately 23.43% of emissions reduction can be achieved compared with a scenario of non-implementation.
“after 10 years of implementation, approximately 23.43% of emissions reduction can be achieved in comparison with a scenario of non-implementation (Villoria-Sáez et al. 2016).”
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Most impacts assessed have lower associated risks at 1.5 °C compared to 2 °C warming level.
“It is evident that most of the impacts assessed have lower associated risks at 1.5 °C compared to 2 °C warming level.”
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If no measures were taken, a 31.5% increase in global emissions is projected.
“In comparison, if no measures were taken a 31.5% increase in global emissions is projected.”
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Political opposition by the public and industry is the main reason delaying many countries in adopting carbon taxation.
“however, political opposition by the public and industry is the main reason delaying many countries in adopting such mechanism (Wang et al. 2016).”
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Carbon taxation is an effective instrument in reducing greenhouse gas emissions.
“There is growing scientific evidence that carbon taxation is an effective instrument in reducing greenhouse gas emissions”
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Regulatory, social and technological barriers play a significant role in renewable energy deployment.
“The research confirms that regulatory, social and technological barriers play a significant role in renewable energy deployment.”
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Fusion power is characterized as a zero-emission technology.
“Furthermore, fusion power is characterized as a zero-emission technology (Prăvălie and Bandoc 2018;Gi et al. 2020).”
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- cites Gi et al. 2020
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There is a positive and significant relationship between market-based mechanisms, such as clean development mechanism, and renewable energy deployment.
“the study confirms a positive and significant relationship between market-based mechanisms, such as clean development mechanism, with renewable energy deployment.”
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Negative environmental impacts may result from onshore storage locations that undergo accidental leakage.
“Negative environmental impacts that may result from onshore storage locations that undergo accidental leakage have been investigated by Ma et al.”
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There is no significant direct relationship between economic barriers and renewable energy project deployment.
“The research does not find a significant direct relationship between economic barriers and project deployment”
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Nuclear power deployment prevents approximately 1.2-2.4 Gt CO2 emissions annually.
“The study presents an estimation of approximately 1.2-2.4Gt CO 2 emissions that are prevented annually from nuclear power deployment”
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Fusion power is more efficient than conventional fission-based nuclear technology.
“Fusion power is a new generation of nuclear power, which is more efficient than the conventional fission-based technology and does not carry the hazardous waste disposal risk associated with conventional fission-based nuclear technology.”
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- cites Gi et al. 2020
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The study finds weak support to show that international financing mechanisms and financial market development positively influenced non-hydro renewable energy diffusion.
“the study finds weak support to show that international financing mechanisms and financial market development positively influenced diffusion (Pfeiffer and Mulder 2013).”
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Economic and regulatory policies played a pivotal role in non-hydro renewable energy deployment in developing countries.
“economic and regulatory policies played a pivotal role in NHRE deployment”
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Well-developed financial markets have a positive impact on renewable energy deployment and sector growth.
“Statistical evidence shows the positive impact of welldeveloped financial markets on renewable energy deployment and sector growth.”
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Risk of environmental radioactive pollution is a major issue related to nuclear power, mainly caused through the threat of reactor accidents and the danger associated with nuclear waste disposal.
“Furthermore, risk of environmental radioactive pollution is a major issue related to nuclear power, which is mainly caused through the threat of reactor accidents as well as the danger associated with nuclear waste disposal (Prăvălie and Bandoc 2018;Abdulla et al. 2019).”
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Fusion power does not carry the hazardous waste disposal risk associated with conventional fission-based nuclear technology.
“Fusion power is a new generation of nuclear power, which is more efficient than the conventional fission-based technology and does not carry the hazardous waste disposal risk associated with conventional fission-based nuclear technology.”
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- cites Gi et al. 2020
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The introduction of enhanced fusion-based nuclear technology may positively contribute to mitigation efforts in the second half of the century.
“While conventional fission-based nuclear plants are suggested to be phased out in future, the introduction of enhanced fusion-based nuclear technology may positively contribute to mitigation efforts in the second half of the century.”
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Technological advances within transmission and distribution networks enhance efficiencies by reducing losses.
“Technological advances within transmission and distribution networks also enhance efficiencies by reducing losses (REN21 2019).”
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Global estimates for storage capacity for bioenergy carbon capture and storage range from 200 to 50,000 GtCO2.
“In terms of global estimates for storage capacity, the literature presents a wide range from 200 to 50,000 GtCO 2 (Fuss et al. 2018).”
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There are technical difficulties in scaling bioenergy carbon capture and storage deployment within a short period.
“Furthermore, Mander et al. discuss the technical difficulties in scaling deployment within a short period.”
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Significant amounts of land are required to achieve effective abatement results through forestation.
“Significant amounts of land are required to achieve effective abatement results (RoyalSociety 2018).”
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The main challenge associated with bioenergy carbon capture and storage is the significant amount of biomass feedstocks required to be an effective emission abatement approach.
“The main challenge associated with this technology is the significant amount of biomass feedstocks required to be an effective emission abatement approach.”
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Negative emissions technologies are still at an infant stage of development.
“The investigation concluded that since negative emissions technologies are still at an infant stage of development, conventional mitigation technologies should remain focused upon within climate policy, while further financial resources are to be mobilized to accelerate the development of negative emissions technologies (Gasser et al. 2015).”
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Efficiency gains in buildings can be realized by utilizing energy-efficient systems and appliances as well as improved construction materials.
“Efficiency gains can be realized by utilizing energy-efficient systems and appliances as well as improved construction materials (REN21 2019; Leibowicz et al. 2018).”
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In the transportation sector, efficiency gains can be realized through the introduction of enhanced and more efficient thermal engines, hybrid and electric vehicles as well as hydrogen vehicles.
“In the transportation sector, efficiency gains can be realized through the introduction of enhanced and more efficient thermal engines, hybrid and electric vehicles as well as hydrogen (H 2 ) vehicles (Hache 2015).”
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Bioenergy carbon capture and storage has a negative impact when dedicated plantations replace carbon-dense ecosystems.
“Their empirical investigation highlights the negative impact of bioenergy carbon capture and storage when dedicated plantations replace carbon-dense ecosystems (Harper et al. 2018).”
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The Intergovernmental Panel on Climate Change heavily relied on bioenergy carbon capture and storage within their assessments as a potential route to meet temperature goals.
“The Intergovernmental Panel on Climate Change (IPCC) heavily relied on bioenergy carbon capture and storage within their assessments as a potential route to meet temperature goals (IPCC 2018).”
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Bioenergy carbon capture and storage can significantly reduce greenhouse gas concentration levels by removing CO2 from the atmosphere.
“This technology can significantly reduce greenhouse gas concentration levels by removing CO 2 from the atmosphere.”
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- cites Roy-alSociety 2018
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Most climate pathways investigated by the Intergovernmental Panel on Climate Change included deployment of negative emissions technologies along with conventional decarbonization technologies to assess feasibility of achieving Paris agreement targets.
“Most of the climate pathways that were investigated by the Intergovernmental Panel on Climate Change (IPCC) included the deployment of negative emissions technologies along with conventional decarbonization technologies to assess the feasibility of achieving the targets mandated by the Paris agreement.”
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Financial viability of bioenergy carbon capture and storage projects will depend on a utilitarian carbon market that caters for negative emissions as well as an appropriate carbon price that incentivizes deployment.
“Financial viability of such projects will depend on a utilitarian carbon market that caters for negative emissions as well as an appropriate carbon price that incentivizes deployment (Hansson et al. 2019).”
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The carbon dioxide removal potential of bioenergy carbon capture and storage is estimated at 0.5-5 GtCO2/year by 2050.
“The carbon dioxide removal potential of this technology varies within the literature; however, a conservative assessment by Fuss et al. presents an estimated range of 0.5-5 GtCO 2 year -1 by 2050 (Fuss et al. 2018).”
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Large-scale deployment of bioenergy carbon capture and storage has impacts on freshwater use, land system change, biosphere integrity and biogeochemical flows.
“Heck et al. empirically investigated the large-scale deployment of bioenergy carbon capture and storage for climate change abatement and demonstrated its impact on freshwater use, land system change, biosphere integrity and biogeochemical flows.”
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Forestation is a biogenic negative emissions technology that plays an important role within climate change abatement efforts.
“Forestation is thus a biogenic negative emissions technology that plays an important role within climate change abatement efforts.”
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A significant deviation exists from the sustainable development scenario targeted by the International Energy Agency for 2040, which is a capacity of 1488 MtCO2.
“There are 9 more carbon capture projects under development and are projected to increase capacity to 11 MtCO 2 by 2025; however, a significant deviation exists from the sustainable development scenario targeted by the international energy agency for 2040 which is a capacity of 1488 MtCO 2 (IEA 2019a).”
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- Rests on an assumption: The International Energy Agency sustainable development scenario target of 1488 MtCO2 by 2040 is an appropriate benchmark for carbon capture and storage deployment.
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A major issue with bioenergy carbon capture and storage would be direct competition with food and feed crops for land, freshwater and nutrients.
“A major issue would be the direct competition with food and feed crops for land, freshwater and nutrients (RoyalSociety 2018; GNASL 2018).”
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Shifting travel to the most efficient modes where possible, such as electrified rail, and reducing dependence on high-intensity travel methods can play a role in enhancing efficiency.
“Moreover, shifting travel to the most efficient modes where possible, such as electrified rail, and reducing dependence on high-intensity travel methods can play an interesting role in enhancing efficiency (IEA 2019b).”
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In the worst-case scenario, negative emissions of 7-11 Gt C/year and 1000-1600 Gt C of storage capacity are required to limit global warming to less than 2°C.
“Based on a worst-case scenario, negative emissions of 7-11 Gt C year -1 and 1000-1600 Gt C of storage capacity are required.”
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Large-scale deployment of carbon capture storage and utilization technologies is yet to be proven.
“Large-scale deployment of carbon capture storage and utilization technologies is yet to be proven.”
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Only two negative emissions technologies have been included in IPCC assessments so far: bioenergy carbon capture and storage and afforestation and reforestation.
“Only two negative emissions technologies have been included in the IPCC assessments so far, bioenergy carbon capture and storage as well as afforestation and reforestation (IPCC 2018).”
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Biogenic storage has a much shorter lifespan than storage in geological formations, such as in the case of bioenergy carbon capture and storage.
“In general, biogenic storage has a much shorter lifespan than storage in geological formations, such as in the case of bioenergy carbon capture and storage (Fuss et al. 2018).”
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Cost estimates for carbon dioxide removal through bioenergy carbon capture and storage are in the range of $100-$200/tCO2.
“Cost estimates for carbon dioxide removal through bioenergy carbon capture and storage are in the range of $100-$200/tCO 2 (Fuss et al. 2018).”
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Albedo effects of biomass cultivation, mainly in high-latitude locations where biomass replaces snow cover and reduces radiation reflection potential, offset mitigation efforts.
“Another issue discussed in the literature is the albedo effects of biomass cultivation.This is mainly applicable in high-latitude locations, where biomass replaces snow cover and reduces radiation reflection potential which offsets mitigation efforts (Fuss et al. 2018).”
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Forest-based mitigation has advantages and co-benefits including biodiversity, flood control, and quality improvement for soil, water and air.
“Harper et al. discuss several advantages and co-benefits that are associated with forest-based mitigation which include biodiversity, flood control as well as quality improvement for soil, water and air (Harper et al. 2018).”
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In the best-case scenario, negative emissions of 0.5-3 Gt C/year and 50-250 Gt C of storage capacity are required to limit global warming to less than 2°C.
“The results indicated that in the best-case scenario, that is under the best assumptions on conventional mitigation efforts, negative emissions of 0.5-3Gt C year -1 and 50-250 Gt C of storage capacity are required.”
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There is an inevitable need for negative emissions, even at very high rates of conventional mitigation efforts.
“The results indicate the inevitable need for negative emissions, even at very high rates of conventional mitigation efforts.”
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Various land management practices promote soil carbon sequestration, including cropping system intensity and rotation, zero-tillage and conservation tillage, nutrient management, mulching, use of crop residues and manure, incorporation of biochar, use of organic fertilizers, and water management.
“Various land management practices that promote soil carbon sequestration are discussed in the literature which include cropping system intensity and rotation practices, zero-tillage and conservation tillage practices, nutrient management, mulching and use of crop residues and manure, incorporation of biochar, use of organic fertilizers and water management (Royal-Society 2018;Srivastava 2012;Faroo”
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Biochar application may hinder plant growth in certain cropping systems, based on type of biochar, quantity applied, specific crops, and management practices.
“Furthermore, despite the general perception that biochar positively impacts plant growth and production, which is true in a large number of cases, there is evidence that biochar application may hinder plant growth in certain cropping systems.This is based on the type of biochar, the quantity applied and the specific crops under cultivation and sometimes management practices.”
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The impact of soil carbon sequestration on other greenhouse gas emissions, mainly CH4 and N2O, is reported to be negligible.
“Another negative effect discussed in the literature is the impact of soil carbon sequestration on other greenhouse gas emissions, mainly CH 4 and N 2 O; however, this effect is reported to be negligible (Fuss et al. 2018).”
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- Premisecitation
Biochar application has positive as well as negative effects on CH4 and N2O emissions, specific to cropping system and type of biochar and processing conditions.
“Although the literature shows a positive impact in many occasions, in terms of reduced emissions, Semida et al. present mixed results, where the application of biochar has positive as well as negative effects on CH 4 and N 2 O emissions.This is specific to the cropping system as well as the type of biochar utilized and its processing conditions (Semida et al. 2019).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Semida et al. 2019 source
Not checked in the free run.
- Premisenone given
The conversion process for biochar stores biomass carbon in a form that is very stable and resistant to decomposition.
“The conversion process stores biomass carbon in a form that is very stable and resistant to decomposition.”
Quote in the paperSubstantial claim - Interpretationreasoning
Until carbon removal is adequately monetized and supported through sufficient policy instruments, biochar project development will probably not reach the scale required to have a profound impact within the time frame mandated by international policy.
“However, until carbon removal is adequately monetized and supported through sufficient policy instruments, biochar project development will probably not reach the scale required to have a profound impact within the time frame mandated by international policy.”
Quote in the paperSubstantial claim - Premisereasoning
Land for dedicated biomass cultivation for biochar may create competition issues with agriculture and other land-use sectors.
“While land for dedicated biomass cultivation may create competition issues with agriculture and other land-use sectors, same as the case of bioenergy carbon capture and storage, there would be no issues with areas required for biochar dispersal.”
Quote in the paperNot a substantial claim - Premisereasoning
Biochar production would require vast amounts of land to have an effective impact on greenhouse gas concentration levels.
“In terms of resource requirements, biochar production would require vast amounts of land to have an effective impact on greenhouse gas concentration levels.”
Quote in the paperNot a substantial claim - Premisecitation
Once saturation is reached, land management practices need to be maintained indefinitely to mitigate reversal.
“Once saturation is reached, land management practices need to be maintained indefinitely to mitigate reversal.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
Based on global tropical boundary limitations, an estimated total area of 500 Mha is suitable for forestation deployment.
“Based on global tropical boundary limitations, an estimated total area of 500 Mha is argued to be suitable for forestation deployment.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
Forestation deployment on 500 Mha would allow for a global carbon dioxide removal potential of 0.5-3.6 GtCO2/year by 2050.
“This would allow for a global carbon dioxide removal potential of 0.5-3.6GtCO 2 year -1 by 2050.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisenone given
Direct air carbon capture and storage is emerging as a potential synthetic CO2 removal technology.
“Direct air carbon capture and storage, also referred to as DACCS in the literature, is emerging as a potential synthetic CO 2 removal technology.”
Quote in the paperNot a substantial claim - Premisenone given
Challenges around monitoring, reporting and verification, as well as concerns about sink saturation and potential reversibility, have been the main reasons behind slow policy action on soil carbon sequestration.
“Challenges around monitoring, reporting and verification, as well as concerns about sink saturation and potential reversibility, have been the main reasons behind slow policy action.”
Quote in the paperNot a substantial claim - Premisecitation
Depending on feedstock, biochar can potentially remove between 2.1 and 4.8 tCO2/tonne of biochar.
“Depending on the feedstock used, it is estimated that this technology can potentially remove between 2.1 and 4.8 tCO 2 /tonne of biochar (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
There are uncertainties around decomposition rates of various types of biochar, depending on feedstock and process conditions.
“Although considered more stable than soil organic carbon, there are certain uncertainties around decomposition rates of various types of biochar, which depends on the feedstock used and process conditions utilized (Osman et al. 2019;Chen et al. 2019).”
Quote in the paperNot a substantial claim0 of 2 sources checked - Premisecitation
Removal costs for forestation are estimated at $5-$50/tCO2.
“Removal costs are estimated at $5-$50/tCO 2 (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
The potential of carbon removal through soil carbon sequestration is time-limited.
“According to Fuss et al., the potential of carbon removal through soil carbon sequestration is time-limited.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
Biomass availability is one of the limiting factors to successful large-scale deployment of biochar projects.
“Biomass availability is one of the limiting factors to successful large-scale deployment of biochar projects (Roy-alSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Roy-alSociety 2018
Not checked in the free run.
- Premisecitation
REDD+ implementation intentions have been indicated by 56 countries in their INDC submissions under the Paris agreement.
“However, despite the uncertainty and weaknesses discussed, REDD+ implementation intentions have been indicated by 56 countries in their INDC submissions under the Paris agreement (Hein et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Hein et al. 2018 source
Not checked in the free run.
- Interpretationcitation
The issue with permanence, impact on ecosystems, low sequestration efficiency, and lack of adequate monitoring, reporting and verification systems do not support the concept that ocean fertilization is an effective climate change abatement approach.
“The issue with permeance, impact on ecosystems, low sequestration efficiency, as well as lack of adequate monitoring, reporting and verification systems, do not support the concept that ocean fertilization is an effective climate change abatement approach (Fuss et al. 2018;Williamson et al. 2012).”
Quote in the paperSubstantial claim0 of 2 sources checked - Premisecitation
Many direct air carbon capture and storage processes are currently under laboratory-scale or pilot-scale phases.
“In terms of technology readiness, a lot of processes are currently being developed and are either under laboratory-scale or pilot-scale phases.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Uncertainty around permanence is a major drawback of ocean fertilization.
“Moreover, according to Fuss et al., uncertainty around permeance is a major drawback.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
A specific wetland restoration or construction site can either be a net carbon sink or a greenhouse gas source, based on environmental and habitat management conditions.
“This is based on various environmental and habitat management conditions (de Klein and van der Werf 2014; Gallant et al. 2020).”
Quote in the paperSubstantial claim0 of 2 sources checked - Premisecitation
Carbon can be stored for extended periods, in the order of 10^4 years, in the form of dissolved inorganic carbon in ocean alkalinity enhancement.
“In terms of permanence, carbon can be stored for extended periods, in the order of 10 4 years, in the form of dissolved inorganic carbon.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Renforth and Henderson 2017 source
Not checked in the free run.
- Premisecitation
Direct air carbon capture is three times as energy-intensive as conventional carbon capture per ton of CO2 removed.
“Direct air carbon capture is three times energy-intensive compared to conventional carbon capture per ton of CO 2 removed (Gambhir and Tavoni 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gambhir and Tavoni 2019 source
Not checked in the free run.
- Interpretationcitation
Transportation is a major drawback which places limitations on the potential viability of enhanced weathering.
“It is concluded that transportation is a major drawback which places limitations on the potential viability of this technology.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Lefebvre et al. 2019 source
Not checked in the free run.
- Premisecitation
As alkalinity increases, more carbonic acid is converted to bicarbonate and carbonate ions and greater amounts of carbon are stored in inorganic form.
“As alkalinity increases, more carbonic acid is converted to bicarbonate and carbonate ions and greater amounts of carbon are stored in inorganic form (Renforth and Henderson 2017).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Renforth and Henderson 2017 source
Not checked in the free run.
- Premisecitation
Peatlands and coastal wetlands are estimated to store between 44 and 71% of the world's terrestrial biological carbon.
“While peatlands and coastal wetlands are estimated to store between 44 and 71% of the world's terrestrial biological carbon, such carbon stocks are vulnerable to deterioration due to habitat degradation.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Under large-scale deployment, the energy required for extraction, production and transportation of enhanced weathering would be quite significant.
“However, under large-scale deployment, the energy required for extraction, production and transportation would be quite significant (RoyalSociety 2018).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
The cost of removing CO2 through ocean alkalinity enhancement is estimated between $10 and $190/tCO2, depending on the approach used in producing, transporting and distributing the alkaline material.
“According to Renforth et al., the cost of removing CO 2 through ocean alkalinity enhancement is estimated between $10 and $190/tCO 2 , depending on the approach utilized in producing, transporting and distributing the alkaline material (Renforth and Henderson 2017).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Renforth and Henderson 2017 source
Not checked in the free run.
- Premisecitation
Currently, there are no policy instruments to support direct air carbon capture and storage.
“Currently, there are no policy instruments to support this technology, similar to many of the negative emissions technologies discussed (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Wetlands are high carbon density ecosystems that facilitate atmospheric carbon sequestration through photosynthesis and subsequent storage in above-ground and below-ground biomass as well as soil organic matter.
“Wetlands are high carbon density ecosystems that facilitate atmospheric carbon sequestration through photosynthesis and subsequent storage in above-ground and below-ground biomass as well as soil organic matter (Villa and Bernal 2018).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Villa and Bernal 2018 source
Not checked in the free run.
- Premisecitation
Enhanced weathering can be practically deployed at the moment.
“In terms of technology readiness, enhanced weathering can be practically deployed at the moment.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Potential abatement costs for ocean fertilization range between $2 and $457/tCO2.
“In terms of potential abatement costs, a range between $2 and $457/tCO 2 has been estimated in the literature (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
Climates that are warm and humid with lands that lack sufficient nutrients are the most appropriate areas for enhanced weathering activities.
“Finally, the study indicated that climates that are warm and humid with lands that lack sufficient nutrients are the most appropriate areas for enhanced weathering activities (Strefler et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Strefler et al. 2018 source
Not checked in the free run.
- Premisecitation
A major drawback of wetland habitats is substantial emissions of non-CO2 greenhouse gases such as CH4 and N2O.
“A major drawback discussed in the literature is the substantial emissions of non-CO 2 greenhouse gases such as CH 4 and N 2 O associated with wetland habitats.”
Quote in the paperSubstantial claim0 of 2 sources checked - Premisecitation
The capture rate is approximately 0.11-0.2 tCO2e per ton of basaltic rock applied.
“Furthermore, the results suggest a capture rate of approximately 0.11-0.2tCO 2 e/ton of basaltic rock applied (Lefebvre et al. 2019).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Lefebvre et al. 2019 source
Not checked in the free run.
- Premisecitation
CO2 removal costs are estimated at $600-$1000/tCO2 initially, moving down to $100-$300/tCO2 as the technology matures.
“Furthermore, CO 2 removal costs are estimated at $600-$1000/tCO 2 initially, moving down to the range of $100-$300/tCO 2 as the technology matures (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Premisecitation
Enhanced weathering promotes sequestration of atmospheric carbon in two forms, inorganic and organic.
“According to Fuss et al., enhanced weathering promotes the sequestration of atmospheric carbon in two forms, inorganic and organic.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
- Interpretationreasoning
Mineral carbonation using CO2 captured through direct air carbon capture or bioenergy carbon capture systems can be considered a carbon-negative process since CO2 is removed from the atmosphere and safely stored in carbonate form in geological formations, or in the built environment if the carbonates are utilized in construction.
“Mineral carbonation using CO 2 that has been captured through direct air carbon capture or bioenergy carbon capture systems can be considered as a carbon-negative process since CO 2 is removed from the atmosphere and safely stored in carbonate form in geological formations, or in the built environment if the carbonates are utilized in construction.”
Quote in the paperSubstantial claim - Premisecitation
Under current management practices, a peatland is a net carbon sink with a sequestration rate of 9.9 MtCO2 over the study period.
“Under the third and fourth scenarios, the peatland is declared a net carbon sink with significant sequestration rates of 9.9 MtCO 2 and 16.5 MtCO 2 , respectively, over the entire period of study.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pindilli et al. 2018 source
Not checked in the free run.
- Interpretationreasoning
Radiative forcing geoengineering is not a long-term solution because it does not solve the root cause of climate change.
“While the concept of radiative forcing geoengineering in terms of managing the earth's radiation budget is interesting, it is not a long-term solution, as it does not solve the root cause of the problem.”
Quote in the paperSubstantial claim - Interpretationnone given
Decarbonization efforts alone are not sufficient to meet the targets stipulated by the Paris Agreement.
“As previously discussed, decarbonization efforts alone are not sufficient to meet the targets stipulated by the Paris agreement; therefore, the utilization of an alternative abatement approach is inevitable.”
Quote in the paperSubstantial claim - Premisecitation
The maximum potential cooling from stratospheric aerosol injection is estimated between 2 and 5 W/m2.
“Through modelling and past volcanic eruption data, the maximum potential cooling from this approach is estimated between 2 and 5 W/ m 2 (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
Not checked in the free run.
- Interpretationreasoning
The utilization of an alternative abatement approach is inevitable.
“As previously discussed, decarbonization efforts alone are not sufficient to meet the targets stipulated by the Paris agreement; therefore, the utilization of an alternative abatement approach is inevitable.”
Quote in the paperSubstantial claim - Premisecitation
Several attempts have been made to include wetland-related offsets within existing voluntary and compliance carbon markets, including the development of protocols and methodologies.
“According to Sapkota et al., several attempts have been made to include wetland-related offsets within existing voluntary and compliance carbon markets, including the development of protocols and methodologies.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Sapkota and White 2020 source
Not checked in the free run.
- Interpretationreasoning
Radiative forcing geoengineering may buy some time until greenhouse gas concentrations are stabilized and reduced.
“It may, however, buy some time until greenhouse gas concentrations are stabilized and reduced.”
Quote in the paperSubstantial claim - Interpretationreasoning
There is a gap in the literature regarding research related to specific mitigation technologies.
“Although research on climate change mitigation is trending, a gap in the literature can be highlighted regarding research related to specific mitigation technologies.”
Quote in the paperSubstantial claim- Rests on an assumption: Keyword co-occurrence patterns in the bibliometric maps validly indicate trends and gaps in climate change mitigation research.
- Rests on an assumption: The literature search over the last 5 years in the selected indexes captures the relevant literature on climate change mitigation.
- Premisecitation
The potential cooling effect of marine sky brightening has been estimated between 0.8 and 5.4 W/m2, due to uncertainty, limited knowledge and spatial considerations.
“The potential cooling effect has been estimated between 0.8 and 5.4 W/m 2 , due to uncertainty, limited knowledge and spatial considerations (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
Not checked in the free run.
- Premisecitation
Under no management, a peatland is a net source of CO2 emissions, emitting 2.4 MtCO2 over the study period.
“The results derived from this investigation showed that under the first two scenarios the peatland is declared a net source of CO 2 emissions, emitting 2.4 MtCO 2 and 6.5 MtCO 2 , respectively.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pindilli et al. 2018 source
Not checked in the free run.
- Interpretationcitation
Management activities have a high impact on the carbon sequestration potential of wetland habitats.
“This illustrates the high impact of management activities on the carbon sequestration potential of wetland habitats (Pindilli et al. 2018).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pindilli et al. 2018 source
Not checked in the free run.
- Premisecitation
For space-based mirrors to be economically feasible, material transport costs need to be reduced from approximately $10,000/kg to less than $100/kg.
“For this technology to be economically feasible, material transport costs need to be reduced from approximately $10,000/kg to less than $100/kg (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
Not checked in the free run.
- Premisecitation
Based on model simulations, the maximum cooling effect through cirrus cloud thinning is estimated to be in the range of 2-3.5 W/m2.
“Based on model simulations, the maximum cooling effect through this approach has been estimated to be in the range of 2-3.5 W/m 2 (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
Not checked in the free run.
- Premisecitation
The estimated cost of carbon abatement through wetland restoration and construction ranges between $10 and $100/tCO2.
“The estimated cost of carbon abatement through wetland restoration and construction ranges between $10 and $100/tCO 2 (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Under increased management activities, a peatland is a net carbon sink with a sequestration rate of 16.5 MtCO2 over the study period.
“Under the third and fourth scenarios, the peatland is declared a net carbon sink with significant sequestration rates of 9.9 MtCO 2 and 16.5 MtCO 2 , respectively, over the entire period of study.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pindilli et al. 2018 source
Not checked in the free run.
- Premisecitation
Despite efforts, few wetland restoration carbon offsets have been transacted so far.
“However, despite the efforts, a few wetland restoration carbon offsets have been transacted so far (Sapkota and White 2020).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Sapkota and White 2020 source
Not checked in the free run.
- Premisecitation
The potential CO2 removal from utilization of biomass materials in construction is estimated at approximately 0.5-1 GtCO2/year through replacing conventional construction materials.
“The potential CO 2 removal is estimated at approximately 0.5-1 GtCO 2 year -1 , through replacing conventional construction materials (RoyalSociety 2018).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
- Premisecitation
Under catastrophic fire under no management, a peatland is a net source of CO2 emissions, emitting 6.5 MtCO2 over the study period.
“The results derived from this investigation showed that under the first two scenarios the peatland is declared a net source of CO 2 emissions, emitting 2.4 MtCO 2 and 6.5 MtCO 2 , respectively.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pindilli et al. 2018 source
Not checked in the free run.
- Interpretationreasoning
Negative emissions technologies provide a solid solution in combination with current decarbonization efforts.
“Negative emissions technologies, on the other hand, provide a solid solution in combination with the current decarbonization efforts.”
Quote in the paperSubstantial claim - Interpretationreasoning
Currently, carbon pricing would be insufficient to economically sustain carbon removal projects, apart from the existing framework for afforestation and reforestation projects.
“Currently, carbon pricing would be insufficient to economically sustain carbon removal projects, apart from the existing framework for afforestation and reforestation projects.”
Quote in the paperSubstantial claim
- Classified as probably not a substantial claim. 50
- May combine two claims. 70
Probably not a substantial claim: may not pass S4 (based). May combine two claims.
Findingnone givenCarbon pricing for negative emissions is at a very infant stage, mainly available through voluntary markets for a very small number of carbon removal methods and technically non-existent for most of the technologies discussed.
“The challenge at the moment is that carbon pricing for negative emissions is at a very infant stage, mainly available through voluntary markets for a very small number of carbon removal methods and technically non-existent for most of the technologies discussed.”
Quote in the paperNot a substantial claimMay combine two claims.
Findingown dataA total of 3993 papers were retrieved, comprising 3386 articles, 362 reviews, 201 proceedings papers, 71 early access and 61 editorial materials.
“Results: A total of 3993 papers were retrieved (3386 articles, 362 reviews, 201 proceedings papers, 71 early access and 61 editorial materials)”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationAnthropogenic activities have caused about 1.0 °C of global warming above the pre-industrial level, with a likely range between 0.8 and 1.2 °C.
“anthropogenic activities so far have caused an estimated 1.0 °C of global warming above the pre-industrial level, specifying a likely range between 0.8 and 1.2 °C.”
- Also stated in: § Abstract · hedged
“So far, anthropogenic activities have caused about 1.0 °C of global warming above the pre-industrial level”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IPCC 2018
Not checked in the free run.
- Also stated in: § Abstract · hedged
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationThe Doha amendment proposed a greenhouse gas emissions reduction target of at least 18% below 1990 levels.
“The amendment proposed a greenhouse gas emissions reduction target of at least 18% below 1990 levels.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNFCCC 2012
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationRenewable energy accounted for approximately 26.2% of global electricity production as of 2018.
“as of 2018, renewable energy accounted for approximately 26.2% of global electricity production.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationMethane emissions increased by 1.7% in 2018, compared to an annual increase of 1.3% over the past decade.
“Methane (CH 4 ), another significant greenhouse gas, had an emission rate increase of 1.7% in 2018 as compared to an annual increase of 1.3% over the past decade.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
May combine two claims.
PremisecitationTo maintain a 2 °C global warming level by the end of the century, emissions should decline by approximately 25% in 2030 compared to 2010 levels and net-zero emissions should be achieved by 2070.
“To maintain a 2 °C global warming level by the end of the century, emissions should decline by approximately 25% in 2030 as compared to 2010 levels and net-zero emissions should be achieved by 2070 (IPCC 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IPCC 2018
Not checked in the free run.
May combine two claims.
PremisecitationConventional mitigation technologies are well established and carry an acceptable level of managed risk.
“Most of these technologies are well established and carry an acceptable level of managed risk (Ricke et al. 2017;Victor et al. 2018;Bataille et al. 2018;Mathy et al. 2018;Shinnar and Citro 2008;Bustreo et al. 2019).”
Quote in the paperNot a substantial claim0 of 3 sources checkedProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationIn 2018, 68.5 million people were affected by natural disasters, with floods, storms and droughts accounting for 94% of total affected people.
“The number of people affected by natural disasters in 2018 was 68.5 million, with floods, storms and droughts accounting for 94% of total affected people.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites CRED 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationNitrous oxide emissions increased by 0.8% in 2018, compared to a 1% annual increase over the past decade.
“Nitrous oxide (N 2 O) emissions, which are mainly influenced by agricultural and industrial activities, saw an increase of 0.8% in 2018 as compared to a 1% annual increase over the past decade.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationFossil-based and land-use-related CO2 emissions together accounted for approximately 74% of total global greenhouse gas emissions in 2018.
“Together in 2018, fossil-based and land-use-related CO 2 emissions accounted for approximately 74% of the total global greenhouse gas emissions.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
May combine two claims.
PremisecitationAll radiative forcing geoengineering techniques are still theoretical or at very early trial stages and carry a lot of uncertainty and risk in terms of practical large-scale deployment.
“All these techniques are still theoretical or at very early trial stages and carry a lot of uncertainty and risk in terms of practical large-scale deployment.”
Quote in the paperNot a substantial claim0 of 2 sources checkedProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationAn increase of 2% in total global greenhouse gas and fossil CO2 emissions was noted in 2018, compared to an annual increase of 1.5% over the past decade.
“An increase of 2% in 2018 is noted, as compared to an annual increase of 1.5% over the past decade for both total global greenhouse gas and fossil CO 2 emissions.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationIn 2018, the world encountered 315 cases of natural disasters mainly related to the climate.
“the world encountered 315 cases of natural disasters in 2018, mainly climate-related.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites CRED 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationThe Paris agreement's main objective is to limit global temperature increase to 2 °C by 2100 and pursue efforts to limit the increase to 1.5 °C.
“The main objective of the agreement is to limit the global temperature increase to 2 °C by 2100 and pursue efforts to limit the increase to 1.5 °C.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UN 2015
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Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationTotal greenhouse gas emissions in 2018 amounted to 55.3 GtCO2e, of which 37.5 GtCO2 were fossil CO2 emissions from energy production and industrial activities.
“total greenhouse gas emissions in 2018 amounted to 55.3 GtCO 2 e, of which 37.5 GtCO 2 are attributed to fossil CO 2 emissions from energy production and industrial activities.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationFluorinated gas emissions increased by 6.1% in 2018, compared to a 4.6% annual increase over the past decade.
“A significant increase was, however, noted in the fluorinated gases during 2018 at 6.1% as compared to a 4.6% annual increase over the past decade (UNEP 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationIn 2018, economic losses from natural disasters totaled $131.7 billion, with storms, floods, wildfires and droughts accounting for approximately 93% of total costs.
“a total of $131.7 billion was lost in 2018 due to natural disasters, with storms ($70.8B),floods ($19.7B),wildfires ($22.8B) and droughts ($9.7B) accounting for approximately 93% of the total costs.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites CRED 2019
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May combine two claims.
InterpretationreasoningBiogenic-based sequestration techniques are to a certain extent mature and can be deployed immediately.
“While various technologies presented may still be at an early stage of development, biogenic-based sequestration techniques are to a certain extent mature and can be deployed immediately.”
- Also stated in: § Conclusion · plain
“biogenic-based sequestration techniques are to a certain extent mature and can be deployed immediately.”
Quote in the paperNot a substantial claim- Also stated in: § Conclusion · plain
May combine two claims.
PremisecitationFor a 1.5 °C warming scenario, a 45% decline in anthropogenic greenhouse gas emissions must be reached by 2030 compared to 2010 levels, and net-zero emissions must be achieved by 2050.
“Based on pathway modelling for a 1.5 °C warming scenario, a 45% decline in anthropogenic greenhouse gas emissions must be reached by 2030 as compared to 2010 levels, and net-zero emissions must be achieved by 2050.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IPCC 2018
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationThe share of renewable energy in total final energy consumption globally was estimated at 18.1% in 2017.
“the share of renewable energy from the total final energy consumption globally has been estimated at 18.1% in 2017 (REN21 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationLand-use change emissions amounted to 3.5 GtCO2 in 2018.
“emissions related to land-use change amounted to 3.5 GtCO 2 in 2018 (UNEP 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites UNEP 2019
Not checked in the free run.
May combine two claims.
PremisecitationMain drawbacks of carbon capture and storage include safety in relation to secured storage and the possibility of leakage.
“Some of the main drawbacks of carbon capture and storage include safety in relation to secured storage and the possibility of leakage.”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Ma et al. 2020
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- cites Vinca et al. 2018 source
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Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationAs of 2018, 450 nuclear energy plants are operational with a total global installed capacity of 396.4 GW.
“as of 2018, 450 nuclear energy plants are operational with a total global installed capacity of 396.4 GW.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IAEA 2018
Not checked in the free run.
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PremisecitationOther issues related to carbon capture and storage include public acceptance and high deployment costs.
“Other issues related to this technology include public acceptance (Tcvetkov et al. 2019;Arning et al. 2019) as well as the high deployment costs associated (Vinca et al. 2018).”
Quote in the paperNot a substantial claim0 of 3 sources checkedProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationBy the end of 2018, global installed capacity for photovoltaic solar power was 505 GW, compared to 15 GW in 2008.
“By the end of 2018, a total of 505 GW of global installed capacity for photovoltaic solar power has been noted as compared to 15 GW in 2008.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
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PremisecitationCaptured CO2 can be utilized in the production of chemicals, fuels, microalgae and concrete building materials, as well as in enhanced oil recovery.
“Another pathway postcarbon capture is the utilization of the CO 2 captured in the production of chemicals, fuels, microalgae and concrete building materials, as well as utilization in enhanced oil recovery (Hepburn et al. 2019;Aresta et al. 2005;Su et al. 2016;Qin et al. 2020).”
Quote in the paperNot a substantial claim0 of 3 sources checkedProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationGlobal installed wind power capacity was 591 GW in 2018, compared to 121 GW in 2008.
“Regarding wind power, 591 GW of global installed capacity is recorded in 2018 as compared to 121 GW in 2008.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
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PremisecitationGrowth in energy demand, aid and high local fossil fuel production hindered non-hydro renewable energy diffusion.
“On the other hand, growth in energy demand, aid and high local fossil fuel production hindered NHRE diffusion.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pfeiffer and Mulder 2013 source
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Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationTo be in line with the 2 °C target, nuclear plant capacity must be expanded to approximately 930 GW by 2050, with total investment of approximately $4 trillion.
“to be in line with the 2 °C target stipulated by the Paris agreement, nuclear plant capacity must be expanded to approximately 930 GW by 2050, with a total investment of approximately $ 4 trillion (Prăvălie and Bandoc 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Prăvălie and Bandoc 2018 source
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationAs a low-case projection scenario, it is estimated that by 2030 a 10% dip might be realized based on the 2017 numbers.
“As a lowcase projection scenario, it is estimated that by 2030 a 10% dip might be realized based on the 2017 numbers.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IAEA 2018
Not checked in the free run.
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PremisecitationThe impact of financial market development on renewable energy deployment is strong for photovoltaic solar and wind technologies, while marginal under biomass and geothermal technologies.
“There is a strong impact on photovoltaic solar and wind technologies, while the impact is marginal under biomass and geothermal technologies (Kim and Park 2016).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Kim and Park 2016 source
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Classified as probably not a substantial claim.
PremisecitationDemand-pull policy instruments are more effective in driving renewable energy innovation compared to alternative policy types.
“the study suggested that demand-pull policy instruments are more effective in driving renewable energy innovation compared to alternative policy types (Pitelis et al. 2019).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pitelis et al. 2019 source
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Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationGlobal biopower capacity was estimated at 130 GW in 2018, with total production of 581 TWh in that year.
“Global biopower capacity has been estimated at 130 GW in 2018 with a total 581 TWh of production in that year.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
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PremisecitationHydropower accounted for 15.8%, wind power 5.5%, photovoltaic solar power 2.4%, biopower 2.2%, and geothermal, concentrated solar power and marine power 0.46% of generated electricity.
“Hydropower accounted for 15.8%, while wind power's share was 5.5%, photovoltaic solar power 2.4%, biopower 2.2% and geothermal, concentrated solar power and marine power accounted for 0.46% of the generated electricity (REN21 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationThe total share of renewable energy in global power capacity reached approximately 33% in 2018.
“The total share of renewable energy in global power capacity has reached approximately 33% in 2018 (REN21 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites REN21 2019
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationIt is projected that an increase of 30% in nuclear installed capacity will be realized by 2030 from a base case of 392 GW in 2017.
“It is projected that an increase of 30% in installed capacity will be realized by 2030 (from a base case of 392 GW in 2017).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IAEA 2018
Not checked in the free run.
May combine two claims.
PremisecitationGovernmental stability, higher education levels and per capita income positively influenced non-hydro renewable energy diffusion.
“as well as governmental stability, higher education levels and per capita income.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pfeiffer and Mulder 2013 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationOn the long term, global nuclear capacity might reach 748 GW by 2050 as a high-case scenario.
“On the long term, it is projected that global capacity might reach 748 GW by 2050, as a high-case scenario (IAEA 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IAEA 2018
Not checked in the free run.
May combine two claims.
PremisecitationStorage options for captured CO2 include depleted oil and gas fields, coal beds, and underground saline aquifers not used for potable water.
“Based on the literature, storage options include depleted oil and gas fields, coal beds and underground saline aquifers not used for potable water (Vinca et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Vinca et al. 2018 source
Not checked in the free run.
Classified as probably not a substantial claim.
InterpretationcitationNegative emissions alone should not be relied upon to meet the 2°C target.
“Furthermore, the study suggests that negative emissions alone should not be relied upon to meet the 2 °C target.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Gasser et al. 2015 source
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PremisecitationForests in high latitudes would be counterproductive, accelerating local warming as well as ice and snow cover loss.
“Forests in high latitudes would actually be counterproductive, accelerating local warming as well as ice and snow cover loss.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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Classified as probably not a substantial claim.
PremisecitationThe effectiveness of bioenergy carbon capture and storage in achieving negative emissions is based on previous land cover, initial carbon gain or loss due to land-use change, bioenergy crop yields, and the amount of harvested carbon ultimately sequestered.
“Harper et al. argue that the effectiveness of this technology in achieving negative emissions is based on several factors which include previous land cover, the initial carbon gain or loss due to land-use change, bioenergy crop yields, and the amount of harvested carbon that is ultimately sequestered.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Harper et al. 2018 source
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PremisecitationThere remains a debate on the social, economic and technical feasibility as well as the risk associated with large-scale deployment of negative emissions.
“The significant role of negative emissions in meeting climate targets is understood and appreciated amongst academics, scientists and policymakers; however, there still remains a debate on the social, economic and technical feasibility as well as the risk associated with large-scale deployment (Lenzi 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lenzi 2018 source
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Probably not a substantial claim: may not pass S3 (load-bearing).
Premisenone givenDepending on tree species, once forests are established CO2 uptake may span 20-100 years until trees reach maturity and then sequestration rates slow down significantly.
“Depending on tree species, once forests are established CO 2 uptake may span 20-100 years until trees reach maturity and then sequestration rates slow down significantly.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationAs of 2018, there were only 2 carbon capture and storage projects under operation, with a combined annual capture capacity of 2.4 MtCO2.
“According to the international energy agency, there are only 2 carbon capture and storage projects under operation as of 2018, with a combined annual capture capacity of 2.4 MtCO 2 .”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IEA 2019a
Not checked in the free run.
Classified as probably not a substantial claim.
PremisecitationTropical areas would be the most suitable zones to host forestation projects.
“They argue that tropical areas would be the most suitable zones to host forestation projects.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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PremisereasoningCarbon can be stored in forests for a very long time; however, permanence is vulnerable due to natural and human disturbances.
“Carbon can be stored in forests for a very long time; however, permanence is vulnerable due to natural and human disturbances.”
Quote in the paperSubstantial claimMay combine two claims.
Premisenone givenBioenergy technologies are to a certain extent well developed; however, carbon capture and storage are still at an early stage.
“In terms of technology readiness, bioenergy technologies are to a certain extent well developed; however, carbon capture and storage are still at an early stage.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationThere are 9 more carbon capture projects under development, projected to increase capacity to 11 MtCO2 by 2025.
“There are 9 more carbon capture projects under development and are projected to increase capacity to 11 MtCO 2 by 2025; however, a significant deviation exists from the sustainable development scenario targeted by the international energy agency for 2040 which is a capacity of 1488 MtCO 2 (IEA 2019a).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites IEA 2019a
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationThe IPCC defined a default saturation period of 20 years for soil carbon sequestration.
“However, the Intergovernmental Panel on Climate Change (IPCC) defined a default saturation period of 20 years (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationOther carbon sink applications for biochar include construction materials, wastewater treatment and electronics, as long as the product does not thermally degrade or oxidize throughout its life cycle.
“Besides soil, Schmidt et al. introduced other carbon sink applications for biochar which include construction materials, wastewater treatment and electronics, as long as the product does not thermally degrade or oxidize throughout its life cycle (Schmidt et al. 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Schmidt et al. 2019 source
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PremisecitationRisks of reversibility are significant and weaken soil carbon sequestration's storage integrity.
“Risks of reversibility are significant and weaken this approach's storage integrity.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
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PremisecitationBy 2050, global carbon removal potential through biochar can be 0.3-2 GtCO2/year, with costs ranging from $90 to $120/tCO2.
“It is estimated that by 2050 global carbon reduction removal potential achieved through biochar can be in the range of 0.3-2 Gt CO 2 year -1 , with costs ranging from $90 to $120/tCO 2 (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
Classified as probably not a substantial claim.
PremisecitationThese values are well above the proposed sequestration requirement of 0.25 tC/ha/year to make the crop carbon neutral once converted to biofuels.
“It is reported that these values are well above the proposed sequestration requirement (0.25 tCha -1 year -1 ) to make the crop carbon neutral once converted to biofuels (Agostini et al. 2015).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Agostini et al. 2015 source
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PremisereasoningUsing waste biomass eliminates the need for land and provides a waste disposal solution; however, competition over waste for other purposes increases feedstock availability risk as well as price volatility.
“Moreover, using waste biomass eliminates the need for land and provides a waste disposal solution; however, competition over waste for other purposes increases feedstock availability risk as well as price volatility.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationOnce soils reach a level of saturation, further sequestration is no longer achieved; this may take 10-100 years depending on soil type and climatic conditions.
“Once soils reach a level of saturation, further sequestration is no longer achieved.This may take 10-100 years depending on soil type and climatic conditions.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
Not checked in the free run.
May combine two claims.
PremisecitationBy 2050, global carbon dioxide removal potential through soil carbon sequestration is estimated between 2.3 and 5.3 GtCO2/year at costs ranging from $0 to $100/tCO2.
“By 2050, the global carbon dioxide removal potential discussed in the literature is estimated between 2.3 and 5.3 GtCO 2 year -1 at costs ranging from $0 to $100 t/CO 2 (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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PremisecitationSoil carbon sequestration promotes enhanced soil fertility and health as well as improves crop yields due to organic carbon accumulation within soils.
“It is well noted in the literature that soil carbon sequestration promotes enhanced soil fertility and health as well as improves crop yields due to organic carbon accumulation within soils (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationREDD+ has a poor track record in achieving its intended purpose of emissions reduction.
“Hein et al. present a number of arguments around the programme's poor track record in achieving its intended purpose of emissions reduction.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Hein et al. 2018 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
Premisenone givenSoil quality and fertility are significantly enhanced by biochar application.
“It is argued that soil quality and fertility are significantly enhanced.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisereasoningLack of knowledge, resistance to change, and lack of policy and financial incentives are barriers for scalability of soil carbon sequestration.
“While soil carbon sequestration is ready for large-scale deployment, since many of such practices are already being used, lack of knowledge, resistance to change as well as lack of policy and financial incentives are identified as barriers for scalability.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisereasoningSoil carbon sequestration is ready for large-scale deployment, since many such practices are already being used.
“While soil carbon sequestration is ready for large-scale deployment, since many of such practices are already being used, lack of knowledge, resistance to change as well as lack of policy and financial incentives are identified as barriers for scalability.”
Quote in the paperNot a substantial claimMay combine two claims.
Premisenone givenBiochar has recently gained considerable recognition as a viable approach for carbon capture and permanent storage and is considered one of the promising negative emissions technologies.
“Biochar has recently gained considerable recognition as a viable approach for carbon capture and permanent storage and is considered as one of the promising negative emissions technologies.”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationHigh application rates of biochar to soil surface (e.g., 30-60 tons/ha) decrease surface reflectivity, increase soil temperature, and reduce the beneficial effect of carbon sequestration.
“With high application rates of biochar to the soil surface, e.g.30-60 tons/ha, it is argued that a decrease in surface reflectivity would increase soil temperature, which in turn would reduce the beneficial effect of carbon sequestration through this route (RoyalSociety 2018;Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites RoyalSociety 2018
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- cites Fuss et al. 2018 source
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PremisecitationPermanence, sequestration uncertainty, availability of efficient financing mechanisms, and monitoring, reporting and verification systems are difficulties associated with forest-based abatement projects.
“Permanence, sequestration uncertainty, the availability of efficient financing mechanisms as well as monitoring, reporting and verification systems are all difficulties associated around forest-based abatement projects (Gren and Aklilu 2016).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gren and Aklilu 2016 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).
Premisenone givenA Finnish start-up, Puro.earth, has introduced biochar as a net-negative technology.
“A Finnish start-up, Puro.earth, has introduced biochar as a net-negative technology.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationLimited policy incentives and support, as well as lack of carbon pricing mechanisms that incorporate CO2 removal through biochar, hinder this technology's potential for large-scale commercialization.
“Moreover, limited policy incentives and support, as well as lack of carbon pricing mechanisms that incorporate CO 2 removal through biochar (Ernsting et al. 2011), hinder this technology's potential for large-scale commercialization.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Ernsting et al. 2011 source
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Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based). May combine two claims.
Premisenone givenA US-based platform (Nori) is based on the concept of soil carbon sequestration and operates by linking consumers and businesses that wish to offset their carbon footprint with farmers that offer carbon removal certificates that have been audited through an independent verification party.
“A US-based platform (Nori) is based on the concept of soil carbon sequestration and operates by linking consumers and businesses that wish to offset their carbon footprint with farmers that offer carbon removal certificates that have been audited through an independent verification party.”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationThree types of existing policy instruments can be used to stimulate biochar deployment in the USA: commercial financial incentives, non-financial incentives, and research and development funding.
“Pourhashem et al. examined the role of government policy in accelerating biochar adoption and identified three types of existing policy instruments that can be used to stimulate biochar deployment in the USA: commercial financial incentives, non-financial incentives and research and development funding (Pourhashem et al. 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pourhashem et al. 2019 source
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PremisecitationGlobal carbon removal potential of enhanced weathering is estimated at 2-4 GtCO2/year by 2050 at a cost ranging from $50 to $200/tCO2.
“Based on an extensive literature assessment, Fuss et al. estimate global carbon removal potential of 2-4 GtCO 2 year -1 by 2050 at a cost ranging from $50 to $200/tCO 2 (Fuss et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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PremisecitationPositive side effects of enhanced weathering include favourable impact on soil hydrological properties, a source for plant nutrients allowing lower dependence on conventional fertilizers, increase in water pH, enhanced soil health, increase in biomass production, and an opportunity to reduce dependence on conventional pesticides.
“This includes favourable impact on soil hydrological properties, a source for plant nutrients allowing lower dependence on conventional fertilizers, increase in water pH, enhanced soil health, increase in biomass production and an opportunity to reduce dependence on conventional pesticides.”
Quote in the paperNot a substantial claim0 of 3 sources checkedMay combine two claims.
PremisereasoningIncreasing ocean alkalinity decreases surface ocean partial pressure, promoting further oceanic CO2 uptake, with a major positive side effect of reducing ocean acidification.
“Increasing ocean alkalinity is argued to decrease the surface ocean partial pressure, promoting further oceanic CO 2 uptake, with a major positive side effect of reducing ocean acidification.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Renforth and Henderson 2017 source
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PremisecitationRock grain size and weathering rates influence removal potential and cost of enhanced weathering.
“Furthermore, the investigation highlighted the dimensions that influence removal potential and cost, mainly being rock grain size and weathering rates.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Strefler et al. 2018 source
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PremisecitationSide effects of ocean fertilization include ocean acidification, deep and mid-water oxygen decrease or depletion, increase in production of further greenhouse gases, unpredictable impact on food cycles, creation of toxic algal blooms, and mixed effects on seafloor and upper ocean ecosystems.
“Side effects of ocean fertilization that are discussed in the literature include ocean acidification, deep and mid-water oxygen decrease or depletion, increase in production of further greenhouse gases, unpredictable impact on food cycles, creation of toxic algal blooms as well as mixed effects on the seafloor and upper ocean ecosystems (Fuss et al. 2018;Williamson et al. 2012).”
Quote in the paperSubstantial claim0 of 2 sources checkedMay combine two claims.
PremisecitationDirect air carbon capture and storage is more energy- and material-intensive than carbon capture and storage because capturing CO2 from ambient air is more difficult than capturing CO2 from highly concentrated flue gas streams.
“Gambhir et al. compare direct air carbon capture and storage to carbon capture and storage and explain that the former technology is more energy-and material-intensive due to the fact that capturing CO 2 from ambient air is much more difficult compared to capturing CO 2 from highly concentrated flue gas streams.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gambhir and Tavoni 2019 source
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PremisecitationTechnology developers are mainly working on reducing energy requirements because this is one of the main challenges to deployment and scalability of direct air carbon capture and storage.
“Technology developers are mainly working on reducing energy requirements as this is one of the main challenges to deployment and scalability (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
Not checked in the free run.
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PremisecitationThe ocean currently stores approximately 140,000 GtCO2, and with some changes in its chemistry, it may be able to store in the order of trillions of tons of CO2.
“The ocean currently stores approximately 140,000 GtCO 2 , and with some changes in its chemistry, it may be able to store in the order of trillions of tons of CO 2 (Renforth and Henderson 2017).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Renforth and Henderson 2017 source
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PremisecitationEnhanced weathering operation emits 75 kg CO2 per ton of CO2 removed and carbonation emits 135 kg CO2 per ton of CO2 removed, based on a distance of 65 km between production site and field.
“The investigation presented several key findings, first, that the operation emits 75 kg of CO 2 per ton of CO 2 removed through enhanced weathering and 135 kg of CO 2 per ton of CO 2 removed through carbonation.This is based on a distance of 65 km between the production site and the field on which the ground rock is applied.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Lefebvre et al. 2019 source
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisereasoningA key issue widely discussed in the literature is the significant energy required by direct air carbon capture and storage plants.
“A key issue widely discussed in the literature is the significant energy required by direct air carbon capture and storage plants.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationOcean fertilization can potentially sequester up to 3.7 GtCO2/year by 2100 with a total global storage capacity of 70-300 GtCO2.
“estimated that ocean fertilization can potentially sequester up to 3.7 GtCO 2 year -1 by 2100 with a total global storage capacity of 70-300 GtCO 2 (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
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PremisecitationStrefler et al. results are inline and support Fuss et al. estimates in terms of removal potential and costs.
“The results are inline and support the estimates presented by Fuss et al. in terms of removal potential as well as costs.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Strefler et al. 2018 source
Not checked in the free run.
May combine two claims.
PremisecitationBoth absorption and adsorption processes for direct air carbon capture and storage require thermal energy to regenerate the sorbent and release the CO2; however, less energy is required under the adsorption route.
“Both processes require thermal energy to regenerate the sorbent and release the CO 2 ; however, it is important to note that less energy is required under the adsorption route (Gambhir and Tavoni 2019).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gambhir and Tavoni 2019 source
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PremisecitationThe global potential for carbon dioxide removal is estimated to be 0.5-5 GtCO2/year by 2050, potentially up to 40 GtCO2/year by the end of the century if unexpected challenges associated with large-scale deployment are overcome.
“The global potential for carbon dioxide removal has been estimated by Fuss et al. to be in the range of 0.5-5 GtCO 2 year -1 by 2050, and this may potentially go up to 40 GtCO 2 year -1 by the end of the century if the unexpected challenges associated with large-scale deployment are overcome.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Fuss et al. 2018 source
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PremisecitationMaximum road travel distance is 540 km for carbonation and 990 km for enhanced weathering, above which emissions offset potential benefits.
“The results indicate a maximum road travel distance of 540 km for carbonation and 990 km for enhanced weathering, above which the emissions offset the potential benefits realized from such activity.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Lefebvre et al. 2019 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationInitial costs for deployment to reduce anthropogenically driven radiative forcing rate by half are calculated to be in the range of $3.5 billion with average annual operating costs of $2.25 billion (approximately $1500/t SO2 injected).
“In an attempt to reduce anthropogenically driven radiative forcing rate by half, Smith et al. calculated initial costs for deployment to be in the range of $3.5 billion with average annual operating costs of $2.25 billion (approximately $1500/t SO 2 injected) (Smith and Wagner 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Smith and Wagner 2018 source
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Interpretationnone givenSome negative emissions technologies presented in the literature review may still be at an early stage of development.
“While some of the negative emissions technologies presented in the literature review may still be at an early stage of development,”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationSoil organic carbon accumulated in the top one metre amounted to 1060 tCO2e ha-1 for mangroves, 917 tCO2 ha-1 for salt marshes, and 500 tCO2 ha-1 for seagrasses.
“Within these habitats, the soil organic carbon accumulated in the top one metre amounted to 1060tCO 2 e ha -1 , 917 tCO 2 ha -1 and 500 tCO 2 ha -1 for mangroves, salt marshes and seagrasses, respectively (Sapkota and White 2020).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Sapkota and White 2020 source
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PremisecitationEstimates of 14-31% reduction in global CO2 emissions and 12-19% reduction in global fossil fuel consumption can be realized through replacing conventional building materials such as steel and cement with biomass materials.
“Estimates of 14-31% reduction in global CO 2 emissions and 12-19% reduction in global fossil fuel consumption can be realized through this approach (Royal-Society 2018).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Royal-Society 2018
Not checked in the free run.
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PremisecitationCost estimates under ex situ mineral carbonation range from $50 to $300/tCO2, while in situ carbonation is estimated at approximately $17/tCO2.
“Cost estimates under ex situ carbonation range from $50 to $300/tCO 2 , while in situ carbonation is estimated at approximately $17/ tCO 2 (RoyalSociety 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites RoyalSociety 2018
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PremisecitationBased on an extensive literature review, the cooling potential for surface-based brightening is too limited, and substantial negative side effects are associated, such as disruption of desert ecosystems.
“According to Lawrence et al., based on an extensive literature review, the cooling potential for this approach is too limited.Furthermore, substantial negative side effects are associated, such as disruption of desert ecosystems (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
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Interpretationnone givenThe technologies to be deployed for radiative forcing geoengineering are still to be developed and tested and their side effects adequately catered for, which may be a lengthy process.
“However, the technologies to be deployed are still to be developed and tested and side effects adequately catered for, which may be a lengthy process.”
Quote in the paperSubstantial claimMay combine two claims.
PremisecitationEstimated carbon sequestration rate is 6.3 ± 4.8 tCO2e ha-1 year-1 for mangroves, 8.0 ± 8.5 tCO2e ha-1 year-1 for salt marshes, and 4.4 ± 0.95 tCO2e ha-1 year-1 for seagrass meadows.
“Carbon sequestration and storage potential vary amongst different types of wetlands; for example, the estimated carbon sequestration rate is 6.3 ± 4.8 tCO 2 e ha -1 year -1 for mangroves, 8.0 ± 8.5 tCO2e ha -1 year -1 for salt marshes and 4.4 ± 0.95 tCO 2 e ha -1 year -1 for seagrass meadows.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Sapkota and White 2020 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationAn aircraft-based delivery system is the most efficient method to deploy stratospheric aerosol injection, but a new purpose-built high-altitude aircraft will need to be developed.
“They surveyed potential deployment techniques and concluded that an aircraft-based delivery system is the most efficient method to deploy stratospheric aerosol injection.However, a new purpose-built high-altitude aircraft will need to be developed for this purpose as current models, even with modifications will not be sufficient.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Smith and Wagner 2018 source
Not checked in the free run.
May combine two claims.
PremisecitationThe main issue behind stratospheric aerosol injection is uncertainty of side effects and harmful consequences, with specific negative impact on the hydrological cycle and stratospheric ozone depletion.
“The main issue behind this technique is the uncertainty of the side effects and the harmful consequences of deployment, with a specific negative impact on the hydrological cycle as well as stratospheric ozone depletion (Zhang et al. 2015).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Zhang et al. 2015 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationA number of methodologies have already been certified in the USA by various voluntary markets.
“A number of methodologies have already been certified in the USA by various voluntary markets.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Sapkota and White 2020 source
Not checked in the free run.
Classified as probably not a substantial claim.
InterpretationreasoningBiogenic-based sequestration projects are in a good position to efficiently utilize financial resources and policy support because most of the related technologies can be deployed immediately.
“At the very moment, biogenicbased sequestration projects are in a good position to efficiently utilize financial resources and policy support as most of the related technologies can be deployed immediately; however, efficient carbon pricing mechanisms that focus on carbon removal need to be aggressively developed and introduced.”
Quote in the paperSubstantial claimClassified as probably not a substantial claim.
Interpretationnone givenThere is no ultimate solution to tackle climate change.
“It is important to clarify that there is no ultimate solution to tackle climate change and that all technologies and techniques discussed in this review if technically and economically are viable should be deployed.”
Quote in the paperSubstantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationThere are no published costs for cirrus cloud thinning and this approach still requires further research to understand side effects and conduct appropriate research on potential delivery methods.
“According to Lawrence et al., there are no published costs for cirrus cloud thinning and this approach still requires further research to understand side effects as well as to conduct appropriate research on potential delivery methods (Lawrence et al. 2018).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lawrence et al. 2018 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationProblems associated with marine sky brightening include lack of a spraying system capable of generating seawater particles of the required size and quantities, technical problems associated with the physical outcome due to the complex nature of cloud characteristics, and the challenge to undertake extensive trials and understand side effects.
“This includes the lack of spraying system that is capable of generating seawater particles of the size and quantities required, as well as further technical problems that are associated with the physical outcome of this approach as a result of the complex nature of cloud characteristics.Another challenge would be to undertake extensive trials and properly understand and overcome potential side eff”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Latham et al. 2012 source
Not checked in the free run.
May combine two claims.
PremisecitationThe Mount Pinatubo eruption ejected between 15 and 30 million tons of SO2, which induced sunlight reflectivity and reduced global temperatures by 0.4-0.5 °C.
“During the eruption, a very large amount of sulphur dioxide gas (SO 2 ) was ejected, between 15 and 30 million tons, which induced sunlight reflectively and reduced global temperatures by 0.4-0.5 °C (Zhang et al. 2015).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Zhang et al. 2015 source
Not checked in the free run.
The authors state this as an assumption.
Current emission rates will persist.
“if the current emission rates persist”
The authors state this as an assumption.
The predicted best-case level of emissions is maintained between 2030 and 2050.
“if the predicted best-case level of emissions is maintained between 2030 and 2050”
The authors state this as an assumption.
Annual emissions continue to increase.
“if annual emissions continue to increase”
The paper relies on this without support.
Capital outlay and operating costs associated with nuclear power development are significant.
“First, the capital outlay and operating costs associated with nuclear power development are quite significant.”
The paper relies on this without support.
The International Energy Agency sustainable development scenario target of 1488 MtCO2 by 2040 is an appropriate benchmark for carbon capture and storage deployment.
“however, a significant deviation exists from the sustainable development scenario targeted by the international energy agency for 2040 which is a capacity of 1488 MtCO 2 (IEA 2019a).”
The paper relies on this without support.
Direct air carbon capture and storage plants are more flexible and can be located anywhere, provided that low-carbon energy and adequate transportation and storage facilities are available.
“However, direct air carbon capture and storage plants are more flexible and can be located anywhere, provided that low-carbon energy and adequate transportation and storage facilities are available.”
The paper relies on this without support.
Currently, no policies or carbon pricing mechanisms incentivize ocean alkalinity enhancement.
“Currently, no policies or carbon pricing mechanisms incentivize the pursuit of climate change abatement through this technique, and there is still a need for field trials before deploying such approach on a large scale.”
The paper relies on this without support.
Keyword co-occurrence patterns in the bibliometric maps validly indicate trends and gaps in climate change mitigation research.
“The results obtained were then analysed using VOSviewer software by plotting network and density visualization maps as shown in Fig. 4. The maps are based on keyword co-occurrences.”
The paper relies on this without support.
The literature search over the last 5 years in the selected indexes captures the relevant literature on climate change mitigation.
“Timespan: Last 5 years.Indexes: SCI-EXPANDED, SSCI, A&HCI, CPCI-S, CPCI-SSH, ESCI.”
The paper relies on this without support.
The three strategies reviewed (conventional mitigation, negative emissions, and radiative forcing geoengineering) cover the main approaches to tackling climate change.
“An extensive literature review covered three main strategies to tackling climate change, conventional mitigation technologies, negative emissions technologies as well as radiative forcing geoengineering technologies.”
The paper relies on this without support.
The current state is a climate emergency.
“Based on the current state of climate emergency, immediate development of viable mitigation and adaptation mechanisms is of extreme importance.”
Claims other papers make about this one
Each is checked against this paper’s own text: does it say what the citing paper says it does?
To achieve the Paris Agreement's goal of limiting global temperature rise to 1.5 °C-2 °C by 2100, energy systems require rapid, immediate, and sustained innovation and the effective use of renewable energy across all sectors.
“To achieve the Paris Agreement's goal of limiting global temperature rise to 1.5 °C-2 °C by 2100, energy systems require rapid, immediate, and sustained innovation and the effective use of renewable energy across all sectors (Fawzy et al., 2020).”
From Cost, environmental impact, and resilience of renewable energy under a changing climate: a review (2023) · cites this paper as Fawzy et al., 2020
Demand-side emission reduction efforts include efficiency gains, end-use fuel switching from fossil-based to renewable fuels, and deployment of renewable energy technologies.
“Additionally, demand-side emission reduction efforts include efficiency gains realized through the implementation of energy-efficient processes and sector-specific technologies that reduce energy consumption, as well as end-use fuel switching from fossil-based to renewable fuels and the deployment of renewable energy technologies (Fawzy et al. 2020).”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
In the steel and cement sectors, waste heat from exhaust gases can be used for onsite power and heat production via waste-heat driven power plants.
“In the steel and cement sectors, waste heat from exhaust gases can be used for onsite power and heat production via waste-heat driven power plants.”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
Carbon capture, utilization and storage (CCUS) is an emerging technology that can play a pivotal role in achieving carbon emission reductions.
“In conclusion, carbon capture, utilization and storage, where carbon captured can be stored or utilized in production of chemicals, algae, and concrete building materials is an emerging technology that can play a pivotal role in achieving carbon emission reductions.”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
Buildings can achieve a carbon-free future by utilizing improved building envelopes, renewable materials, 3D printing, renewable-powered heating and cooling systems, and energy-efficient technologies.
“Buildings can achieve a carbon-free future by utilizing improved building envelopes, renewable materials, and 3D printing. Additionally, this can be achieved by developing heating and cooling systems powered by renewable energy and employing energy-efficient technologies (Fawzy et al. 2020).”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
Post-combustion capture systems are ideal for retrofit projects and have a wide range of applications.
“However, post-combustion capture systems are ideal for retrofit projects and have a wide range of applications (Fawzy et al. 2020; Osman et al. 2020).”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
The primary negative emissions techniques discussed in the literature include bioenergy carbon capture and storage, direct air carbon capture and storage, biochar, and soil carbon sequestration.
“The primary negative emissions techniques that have been extensively discussed in the literature include bioenergy carbon capture and storage, direct air carbon capture and storage, biochar, soil carbon sequestration (Fawzy et al. 2020).”
From Strategies to achieve a carbon neutral society: a review (2022) · cites this paper as Fawzy et al. 2020
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Enhancing Carbon Sequestration Using Organic Amendments and Agricultural Practices
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Strategies to achieve a carbon neutral society: a review
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Self-citationCost, environmental impact, and resilience of renewable energy under a changing climate: a review
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“The depletion of non-renewable fuel sources, accompanied with greenhouse gas emissions, has become a critical issue (Fawzy et al. 2020; Osman et al. 2021).”
BackgroundSelf-citationOsman, A. I., Fawzy, S., Farghali, M., El-Azazy, M., Elgarahy, A. M., Fahim, R. A., Maksoud, M. I. A. A., Ajlan, A. A., Yousry, M., Saleem, Y., et al. (2022) · Environmental Chemistry Letters · doi:10.1007/s10311-022-01424-x · Cited by 515 · see citing works
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Self-citationIntegration of biogas systems into a carbon zero and hydrogen economy: a review
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Morales-Beltran, M., Engür, P., Şişman, Ö. A., & Aykar, G. N. (2023) · Sustainability · doi:10.3390/su15097273 · Cited by 24 · see citing works
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Carbon capture, storage, and utilization in cyanobacteria
Majhi, B. K. (2026) · Carbon Resources Conversion · doi:10.1016/j.crcon.2025.100388 · Cited by 2 · see citing works
- Authors
- Fawzy, S., Osman, A. I., Doran, J., & Rooney, D. W.
- Affiliations
- Queen's University Belfast (GB)
- Letterkenny Institute of Technology (IE)
- Corresponding author
- Osman, Ahmed I.
- Venue
- Environmental Chemistry Letters
- Published
- 2020-07-30
- Volume
- 18
- Issue
- 6
- Pages
- 2069-2094
- ISSN
- 1610-3653 (ISSN-L)
- 1610-3661
- OpenAlex
- W3046476263
- Semantic Scholar
- beff0131c6dd5b9acd4e3c7f1996d144309f2e2e
- Cited by
- 1,522
- References
- 110
- Citations by year
- 2026: 198 · 2025: 391 · 2024: 356 · 2023: 283 · 2022: 173 · 2021: 99 · 2020: 22
- FWCI
- 122.67
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Environmental Chemistry Letters (publishedVersion, cc-by)
- Research Portal (Queen's University Belfast) (publishedVersion, cc-by)
- Funders
- Engineering and Physical Sciences Research Council (EP/S025545/1)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Climate Change Policy and Economics
- Physical Sciences › Environmental Science › Global and Planetary Change › Climate Change and Geoengineering
- Physical Sciences › Environmental Science › Global and Planetary Change › Climate Change and Environmental Impact
- Keywords
- climate change mitigation, greenhouse gas emissions, negative emissions technologies, carbon capture and storage, solar geoengineering, radiative forcing, Paris Agreement, global warming, natural disasters, biogenic carbon sequestration, CO2 emission reduction
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