Drivers of food waste and their implications for sustainable policy development
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Written from the paper’s full text.
TL;DR
This review synthesizes drivers of residential, institutional, and commercial food waste in developed countries, especially the U.S., linking food-system modernization, culture, socio-demographics, and policy to wastage behaviors. It argues that prevention policies should be multi-faceted, targeting Values, Skills, and Logistics, though evaluations of such policies remain scarce.
Key findings
- In the U.S., food waste makes up nearly 15 percent of the disposed municipal waste stream, and Americans dispose over 0.6 pounds of food waste per person per day; globally, one third of the edible parts of food produced for human consumption is lost or wasted.
- The resource burden is large: production of lost and wasted food globally accounts for 24 percent of total freshwater used in food production, 23 percent of global cropland, and 23 percent of global fertilizer use; in the U.S., wasted food requires over 25 percent of total freshwater, about 300 million barrels of oil, and 2 percent of annual energy consumption, with 112.92 million metric tons of CO2 equivalent per year emitted from avoidable food waste.
- Drivers include food-system modernization (industrialization, economic growth, urbanization, globalization), cultural factors, socio-demographic factors, and policies that mandate disposal or impede redistribution; behaviors include over-preparation, spoilage, date-label confusion, and large portion sizes. For example, reducing hotel plate size reduced food waste by 19.5 percent, and in the U.K. 40 percent of household food waste was due to preparing and serving more food than could be consumed.
- Prevention is presented as the highest-benefit waste management approach, requiring a package of policies addressing Values, Skills, and Logistics; avoidable food waste estimates vary widely, including 34 percent avoidable in Sweden, 47 percent avoidable plus 18 percent partially avoidable in Germany, 60 percent avoidable in the U.K., and 54 percent avoidable plus 12 percent partially avoidable in New Zealand.
Methods
- Narrative review synthesizing prior literature on food waste definitions, history, quantification, drivers, behaviors, and policy approaches, with emphasis on developed countries and particularly the U.S.
- Draws on published estimates and secondary data, including countrywide and global food loss/waste estimates, economic cost estimates, modernization effects, and potential prevention policies; no primary data collection or systematic review protocol is reported.
- Main analysis is thematic synthesis linking food-system drivers and behavioral/attitudinal factors to proposed prevention mechanisms.
Limitations
- The paper states that evaluations of food waste prevention policies are scarce, little quantitative work has assessed their environmental impacts, it is difficult to demonstrate a consistent direct link between specific policy mechanisms and measured prevention results, and many initiatives are still in early stages so comprehensive data are not yet available.
- It also notes definitional issues, absence of sound quantification methods, and lack of political will have led to considerable data gaps, and there is no clear consensus on which socio-demographic factors relate to more waste or on attitudes toward food waste.
- Evident from the text: as a narrative review, it does not conduct a systematic search or meta-analysis, and its proposed Values–Skills–Logistics policy package is synthesized from existing literature rather than empirically tested.
Model-written summary. Check it against the paper before relying on it.
Integrity signals
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Cites
Statistics
Claims the paper makes
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- Findingcitation
Globally, one third of the edible parts of food produced for human consumption is lost or wasted.
“Globally, it has been estimated that one third of the edible parts of food produced for human consumption is lost or wasted (Gustavsson et al. 2011).”
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- Findingcitation
In landfills, food waste converts to methane, a greenhouse gas with a global warming potential 25 times greater than carbon dioxide on a 100 year time scale.
“In landfills, food waste converts to methane, a greenhouse gas with a global warming potential 25 times greater than carbon dioxide on a 100 year time scale (IPCC 2007).”
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- Findingcitation
The amount of food waste disposed in the U.S. has been increasing over time.
“The amount of food waste disposed has been increasing over time (Thyberg et al. 2015).”
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- Interpretationcitation
Reducing food waste will improve future food availability in the context of global population growth and increasing resource scarcity.
“Reducing food waste will improve future food availability in the context of global population growth and increasing resource scarcity (Buzby et al. 2014, Godfray et al. 2010, Pearson et al. 2013).”
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- cites Godfray et al. 2010 source
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- cites Pearson et al. 2013
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- Interpretationcitation
In the developed world, particularly the U.S., increases in the volume, availability, accessibility, affordability, and caloric density of food have led to increased overconsumption and waste.
“In the developed world, particularly the U.S., increases in the volume, availability, accessibility (Rozin 2005), affordability, and caloric density of food have led to increased overconsumption and waste (Blair and Sobal 2006).”
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- Interpretationcitation
Wasting edible food wastes all resources spent growing, producing, processing, and transporting that food, resulting in potentially needless environmental impact.
“By wasting edible food, all of the resources spent growing, producing, processing, and transporting that food are also wasted, resulting in potentially needless environmental impact (Gustavsson et al. 2011).”
- Also stated in: § 3.1 Environmental Impacts of Food Production, Storage, and Transportation · plain
“By wasting edible food, all of the resources that went into growing, producing, processing, and transporting that food are also wasted, resulting in potentially needless environmental impact (Gustavsson et al. 2011).”
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- Also stated in: § 3.1 Environmental Impacts of Food Production, Storage, and Transportation · plain
- Premisecitation
Urbanization has increased substantially in the U.S., from 5 percent in 1790 to 35 percent in 1890 to 81 percent in 2010.
“Urbanization has increased substantially in the U.S.; in 1790, five percent of Americans lived in urban areas, by 1890 it was 35 percent, and in 2010, it was 81 percent (U.S. Census Bureau 2012).”
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Urbanization requires extensions of food supply systems.
“Urbanization requires extensions of food supply systems (Parfitt et al. 2010).”
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- Interpretationcitation
The careless attitude of consumers who can afford to waste food is a large contributor to household food wastage.
“The FAO suggest that the careless attitude of consumers who can afford to waste food is a large contributor to household food wastage (Gustavsson et al. 2011).”
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Residual waste from urban Austrian households contained significantly more food waste than rural areas.
“Lebersorger and Schneider (2011) found residual waste from urban Austrian households contained significantly more food waste than rural areas.”
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- Interpretationreasoning
Food waste prevention has the highest economic, social, and environmental benefit relative to other waste management approaches.
“Food waste prevention has the highest economic, social, and environmental benefit relative to other waste management approaches.”
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Concentrated, population dense urban food systems are different from dispersed, low density rural systems.
“Concentrated, population dense urban food systems are different from those of dispersed, low density rural systems (Solomons and Gross 1995).”
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- Premisecitation
Household shopping practices, particularly the size of the store where groceries are purchased and the frequency of shopping, have been shown to affect wastage.
“Household shopping practices, particularly the size of the store where groceries are purchased and the frequency of shopping, have been shown to affect wastage (Jorissen et al. 2015).”
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- Premisecitation
Globalization has been associated with the consumption of fewer locally produced plant foods and more imported and processed foods, particularly animal products.
“Globalization has been associated with the consumption of fewer locally produced plant foods and more imported and processed foods, particularly animal products (Pingali andKhwaja 2004, Sobal 1999).”
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- cites Sobal 1999
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Many cuisines depend on the longevity of traditional recipes and cooking techniques.
“Many cuisines depend on the longevity of traditional recipes and cooking techniques (Conveney et al. 2012).”
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- Interpretationreasoning
Countries with deep food cultures tend to be more resistant to change, or at least change slower, primarily due to strong values surrounding what foods can be grown during certain seasons and how foods are prepared.
“Countries with deep food cultures tend to be more resistant to change (or at least change slower) primarily due to strong values surrounding what foods can be grown during certain seasons and how foods are prepared.”
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Food systems have changed due to the shift from local to regional to global foods in quantity, type, cost, variety, and desirability.
“Food systems have changed due to the shift from local to regional to global foods in terms of quantity, type, cost, variety, and desirability (Hawkes 2006).”
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- Interpretationcitation
There are cultural differences in daily food practices which may affect wastage.
“Furthermore, there are cultural differences in daily food practices which may affect wastage.”
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The amount of food a society wastes is dependent on cultural habits and attitudes.
“The amount of food a society wastes is dependent on cultural habits and attitudes.”
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Extant educational campaigns may also cause differing waste patterns.
“Extant educational campaigns may also cause differing waste patterns.”
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Other societies have a strong appreciation for food, including production and preparation.
“Other societies have a strong appreciation for food, including production and preparation.”
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There are cross-national differences in shopping patterns in terms of the amount of food purchased in a single trip, the number of days between shopping trips, and the amount of food stored in the household.
“For instance, there may be cross-national differences in shopping patterns in terms of the amount of food purchased in a single trip, the number of days between shopping trips, and the amount of food stored in the household (Neff et al. 2015).”
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- Premisecitation
Age has been shown to affect food waste generation, with young people wasting more than older people.
“Age has been shown to affect food waste generation, with young people wasting more than older people (Cox and Downing 2007, Hamilton et al. 2005, Quested and Johnson 2009, WasteMinz 2014).”
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- Interpretationreasoning
Deep food cultures may be less affected by changes brought on by modernization of the food supply system.
“Deep food cultures may be less affected by changes brought on by modernization of the food supply system.”
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Jorissen et al. (2015) found that single person households wasted the most per capita.
“Jorissen et al. (2015) also found that single person households wasted the most per capita.”
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Food wastage is not the result of a single behavior, but combinations of multiple behaviors.
“Food wastage is not the result of a single behavior, but combinations of multiple behaviors (Quested et al. 2013).”
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- Premisecitation
There is tension between the need for food safety and nutrition and the desire to reduce food waste.
“As a result, there is tension between the need for food safety and nutrition and the desire to reduce food waste (Watson and Meah 2012).”
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Women that lived alone generated the most food waste per capita.
“In particular, women that lived alone generated the most food waste per capita.”
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- Interpretationcitation
Family composition and household size significantly affect food waste generation.
“Family composition and household size significantly affect food waste generation.”
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It is unclear whether the school meal standard causes increased food wastage.
“Schwartz et al. (2015) found that the standard reduced plate waste in middle schools; so, it is unclear whether the standard causes increased food wastage.”
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In the U.K., people over age 65 wasted considerably less food than the rest of the population, approximately 25 percent less when household size was controlled for.
“In the U.K., people over age 65 wasted considerably less food than the rest of the population (approximately 25 percent less when household size was controlled for).”
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- Premisecitation
At one elementary school after the implementation of the policy, 45 percent of served food and beverages were discarded by students.
“At one elementary school after the implementation of the policy 45 percent of served food and beverages were discarded by students (Byker et al. 2014).”
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- Interpretationcitation
There are policies which contribute to food waste by mandating food disposal under certain conditions or by preventing its redistribution elsewhere.
“There are policies which contribute to food waste by mandating food disposal under certain conditions or by preventing its redistribution elsewhere.”
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Food is wasted across all levels of income.
“Food is wasted across all levels of income (Pearson et al. 2013).”
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- Interpretationnone given
Litigation concerns may discourage the reuse or redistribution of edible food.
“Furthermore, litigation concerns may discourage the reuse or redistribution of edible food.”
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Households with children waste more than households without children.
“Households with children waste more than households without children (Cox and Downing 2007, Hamilton et al. 2005, Parizeau et al. 2015, WasteMinz 2014).”
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- cites Hamilton et al. 2005
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- cites Parizeau et al. 2015 source
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- Premisecitation
Consumer behavioral choices cause food wastage at the household level through the interaction of planning, shopping, storage, preparation and consumption.
“Consumer behavioral choices cause food wastage at the household level through the interaction of aspects of food's journey into and through the home: planning, shopping, storage, preparation and consumption (Quested et al. 2013).”
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- Premisecitation
Inaccurate forecasting of food needs is a contributor to wastage.
“Inaccurate forecasting of food needs also is a contributor to wastage (Mena et al. 2011).”
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Appearance quality standards cause retailers, particularly supermarkets, to out grade foods due to rigorous quality standards concerning weight, shape, and appearance.
“Appearance quality standards cause retailers, particularly supermarkets, to out grade foods due to rigorous quality standards concerning weight, shape, and appearance (Gustavsson et al. 2011).”
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- Interpretationcitation
Although these factors may all contribute to food waste, the magnitude of wastage has been shown to vary across commodity types.
“Although these factors may all contribute to food waste, the magnitude of wastage has been shown to vary across commodity types.”
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Neff et al. (2015) found widespread awareness of food waste among American consumers.
“Neff et al. (2015), however, found widespread awareness of food waste among American consumers.”
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- Premisecitation
In the U.K., 40 percent of household food waste was due to the preparation and serving of more food than could be consumed.
“In the U.K., 40 percent of household food waste was due to the preparation and serving of more food than could be consumed (Quested and Johnson 2009).”
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- Interpretationcitation
At the retail and institutional levels, food is generally wasted due to choices regarding quantities of available food and visual qualities of food.
“At the retail and institutional levels, food is generally wasted due to choices regarding quantities of available food and visual qualities of food.”
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Reducing the physical size of plates in hotels reduced food waste by 19.5 percent.
“Kallbekken and Saelen (2013) found that reducing the physical size of plates in hotels reduced food waste by 19.5 percent.”
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- Premisecitation
Portion sizes are increasing inside and outside the home in the developed world.
“Portion sizes are increasing inside and outside the home in the developed world (Wansink and Payne 2009, Wansink and van Ittersum 2007, Wansink and Wansink 2010).”
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- Interpretationnone given
Many grocers take pride in beautiful food displays with uniform, flawless food, which require the culling of even slightly imperfect items.
“Many grocers take pride in beautiful food displays with uniform, flawless food, which require the culling of even slightly imperfect items.”
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The concept of saving money has been found to be a powerful motivator to food waste prevention.
“the concept of saving money has been found to be a powerful motivator to food waste prevention (Graham-Rowe et al. 2014, Quested et al. 2013, WasteMinz 2014).”
Quote in the paperSubstantial claim0 of 3 sources checked - Interpretationnone given
In the U.S., there are no federal standards on the presentation and meaning of date labels on food.
“In the U.S., there are no federal standards on the presentation and meaning of date labels on food.”
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The serving size of some entrees increased by as much as 42 percent in the 2006 Joy of Cooking cookbook from recipes in the first (1931) edition.
“The serving size of some entrees increased by as much as 42 percent in the 2006 Joy of Cooking cookbook from recipes in the first (1931) edition (Wansink and Payne 2009).”
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- Interpretationreasoning
Different populations will respond differently to prevention initiatives.
“This is necessary because different populations will respond differently to prevention initiatives.”
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Improved awareness about food waste quantities spurred by the introduction of a food waste sorting program played an important role in food waste prevention in a Swedish municipality.
“Miliute-Plepiene and Plepys (2015) found that improved awareness about food waste quantities spurred by the introduction of a food waste sorting program played an important role in food waste prevention in a Swedish municipality.”
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- Premisecitation
Little research has directly addressed factors that motivate, enable or inhibit food waste prevention behaviors.
“Little research has directly addressed factors that motivate, enable or inhibit food waste prevention behaviors (Graham-Rowe et al. 2014).”
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- Interpretationreasoning
Effective approaches to food waste prevention may also differ.
“This indicates that effective approaches to food waste prevention may also differ (Buzby et al. 2011).”
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Economically and socially deprived communities, particularly those in high-rise, high-density housing, will require exceptional efforts and additional resources to drive behavior changes to prevent food waste.
“For instance, Rispo et al. (2015) found that economically and socially deprived communities, particularly those in high-rise, high-density housing, will require exceptional efforts and additional resources to drive behavior changes to prevent food waste.”
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By using multiple policy approaches, different parts of the population will be targeted, thus providing greater opportunities to engage more people.
“Furthermore, by using multiple policy approaches, different parts of the population will be targeted, thus providing greater opportunities to engage more people (Quested et al. 2013).”
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At the household level, survey participants were more likely to intend to reduce fruit and vegetable food wastage if they felt favorable about waste reduction, that others would approve of these behaviors, and confident in their ability to reduce waste.
“Graham-Rowe et al. (2015) found that at the household level, survey participants were more likely to intend to reduce fruit and vegetable food wastage if they felt favorable about waste reduction, that others would approve of these behaviors, and confident in their ability to reduce waste.”
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Currently in the U.S. there is no widespread or visible political or social momentum to prevent food waste.
“Currently in the U.S. there is no widespread or visible political or social momentum to prevent food waste (Buzby et al. 2014).”
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- Interpretationcitation
Skills enables people to change their behaviors, such as by providing training on how to prevent food waste.
“The next policy component, Skills, enables people to change their behaviors, such as by providing training on how to prevent food waste.”
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Improved food packaging can significantly prevent food waste.
“So, improved food packaging can significantly prevent food waste.”
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Concern for foodborne illness was the most common reason for discarding food by American consumers.
“Neff et al. (2015) found that concern for foodborne illness was the most common reason for discarding food by American consumers.”
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- Premisecitation
Redistribution of edible food to feed humans may be unfeasible due to food perishability and high transport or distribution costs.
“However, even with rigorous prevention programs, food waste from residential, institutional, and commercial sectors will never be eliminated because some food waste is unavoidable (e.g., peels) (Schott et al. 2013), and redistribution of edible food to feed humans may be unfeasible due to food perishability and high transport or distribution costs (Buzby et al. 2014).”
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- Interpretationcitation
Even with rigorous prevention programs, food waste from residential, institutional, and commercial sectors will never be eliminated because some food waste is unavoidable.
“However, even with rigorous prevention programs, food waste from residential, institutional, and commercial sectors will never be eliminated because some food waste is unavoidable (e.g., peels) (Schott et al. 2013), and redistribution of edible food to feed humans may be unfeasible due to food perishability and high transport or distribution costs (Buzby et al. 2014).”
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Food may not meet safety or quality requirements under food safety regulations.
“Food also may not meet safety or quality requirements under food safety regulations (Salhofer et al. 2008).”
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Providing consumers with practical tools to improve their food planning and shopping routines could reduce waste.
“Stefan et al. (2013) found that providing consumers with practical tools to improve their food planning and shopping routines could reduce waste.”
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Prevention activities may be costly.
“Furthermore, prevention activities may not broadly appeal to consumers and they may be costly (Buzby et al. 2011).”
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Prevention activities may not broadly appeal to consumers.
“Furthermore, prevention activities may not broadly appeal to consumers and they may be costly (Buzby et al. 2011).”
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- Premisecitation
It is unclear which combination of mechanisms to prevent food waste is most effective because evaluations of food waste prevention policies are scarce.
“It is unclear which combination of mechanisms to prevent food waste is most effective 632 because evaluations of food waste prevention policies are scarce.”
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Comprehensive data on food waste prevention are not yet available.
“Further complicating food waste prevention is the fact that many food 637 waste prevention initiatives are still in their early stages, so comprehensive data are not yet 638 available (BioIntelligence Service 2011).”
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Many food waste prevention initiatives are still in their early stages.
“Further complicating food waste prevention is the fact that many food 637 waste prevention initiatives are still in their early stages, so comprehensive data are not yet 638 available (BioIntelligence Service 2011).”
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- Interpretationnone given
At the retail level, a major cause of food wastage is poor forecasting regarding food needs.
“At the retail level, a major cause of food wastage is poor forecasting regarding food needs.”
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It is difficult to demonstrate a consistent, direct link between specific policy mechanisms and measured waste prevention results.
“Moreover, it is difficult to demonstrate a 635 consistent, direct link between specific policy mechanisms and measured waste prevention 636 results (Cox et al. 2010).”
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20 to 25 percent of household food waste was due to packaging factors.
“Williams et al. (2012) determined that 20 to 25 percent of household food waste was due to packaging factors.”
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- Interpretationreasoning
Food waste prevention is an effective alternative to collection and treatment of wastes economically, socially, and environmentally.
“Food waste prevention policies can substantially reduce the amount of food waste disposed, making it an effective alternative to collection and treatment of wastes economically, socially, and environmentally.”
Quote in the paperSubstantial claim- Rests on an assumption: Food waste prevention policies can substantially reduce the amount of food waste disposed.
- Interpretationcitation
Providing education training and skills to help people better understand food safety may be essential for waste prevention.
“Providing education training and skills to help people better understand food safety may be essential for waste prevention.”
Quote in the paperSubstantial claim - Premisecitation
At the retail level, a cause of food wastage was improper employee procedures for stocking, stock rotation, and other tasks.
“At the retail level, Mena et al. (2011) found that a cause of food wastage was improper employee procedures for stocking, stock rotation, and other tasks.”
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Estimates of the proportion of food waste that is avoidable differ considerably across studies.
“Estimates of the proportion of food waste that is avoidable differ considerably across studies”
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- cites Kranert et al. 2012
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Reducing food waste will become an increasingly important strategy to help feed the growing human population.
“Reducing food waste will become an increasingly important strategy to help feed this growing human population (Godfray et al. 2010).”
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- Classified as probably not a substantial claim. 25
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FindingcitationThe production of lost and wasted food globally accounts for 24 percent of total freshwater resources used in food production, 23 percent of global cropland, and 23 percent of global fertilizer use.
“The production of this lost and wasted food globally has been estimated to account for 24 percent of total freshwater resources used in food production, 23 percent of global cropland, and 23 percent of global fertilizer use (Kummu et al. 2012).”
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FindingcitationIn the U.S., the production of wasted food requires over 25 percent of total freshwater used, about 300 million barrels of oil, and represents two percent of annual energy consumption.
“In the U.S., the production of wasted food requires the expenditure of over 25 percent of the total freshwater used in the U.S., about 300 million barrels of oil (Hall et al. 2009), and represents two percent of annual energy consumption (Cuellar and Webber 2010).”
Quote in the paperNot a substantial claim0 of 2 sources checkedMay combine two claims.
InterpretationcitationFood waste generation is a function of cultural, personal, political, geographic, and economic forces that influence behavior in specific ways, and it may differ from person to person, year to year, or from society to society.
“Therefore, food waste generation is a function of cultural, personal, political, geographic, and economic forces that influence behavior in specific ways (Pearson et al. 2013) and it may differ from person to person, year to year, or from society to society.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
May combine two claims.
InterpretationcitationFood waste tends to degrade faster than other landfilled organic materials, has a high methane yield, and does not contribute to considerable biogenic sequestration in landfills; therefore, reducing the amount of food waste landfilled should be a priority.
“Food waste tends to degrade faster than other landfilled organic materials, has a high methane yield, and does not contribute to considerable biogenic sequestration in landfills (Levis and Barlaz 2011); therefore, reducing the amount of food waste landfilled should be a priority.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Levis and Barlaz 2011
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PremisecitationHigher incomes are associated with a more varied diet, and growth in household incomes is associated with a decline in starchy food staples and a diversification of diet toward more meats, dairy, fish, and poultry.
“Growth in household incomes is associated with a decline in starchy food staples and a diversification of diet toward more meats, dairy, fish, and poultry (Fischler 1999, Parfitt et al. 2010), per Bennett's Law (food share of starchy staples decreases as income increases) (Bennett 1941).”
Quote in the paperSubstantial claim0 of 3 sources checked- cites Drewnowski 1999
Not checked in the free run.
- cites Pingali and Khwaja 2004
Not checked in the free run.
- cites Fischler 1999
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Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationUrbanization is expected to continue increasing globally; one estimate was that 70 percent of people worldwide will live in urban environments by 2015.
“Urbanization is expected to continue increasing globally; one estimate was 70 percent of people worldwide will live in urban environments by 2015 (United Nations 2008).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites United Nations 2008
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
InterpretationreasoningSince food sources are not local, there are more opportunities to market diverse foods different from those grown locally.
“Since food sources are not local, there are more opportunities to market diverse foods, different from those grown locally.”
Quote in the paperNot a substantial claimMay combine two claims.
InterpretationreasoningUrbanization leads to diet diversification and a disconnection from food sources, which may increase food waste.
“It leads to diet diversification and a disconnection from food sources which ultimately may increase food waste.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationDefinitions of food waste are not universally agreed upon, which makes studying and quantifying food waste difficult.
“Definitions of food waste are not universally agreed upon (Lebersorger and Schneider 89 2011), which makes studying and quantifying food waste difficult (Buzby and Hyman 2012).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Lebersorger and Schneider 2011
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- cites Buzby and Hyman 2012 source
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PremisecitationWestern diets, with vulnerable, shorter shelf-life foods, are associated with greater food waste and a greater drain on environmental resources.
“Western diets, with vulnerable, shorter shelf-life foods, are associated with greater food waste and a greater drain on environmental resources (Lundqvist et al. 2008).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Lundqvist et al. 2008
Not checked in the free run.
May combine two claims.
InterpretationreasoningThere are far fewer farms and farmers in urbanized areas, so fewer people interact directly with agricultural processes or live near food production, hindering knowledge about food origins.
“There are far fewer farms and farmers in urbanized areas, so fewer people interact directly with agricultural processes or live near places where food is produced, hindering knowledge about food origins.”
Quote in the paperSubstantial claimMay combine two claims.
PremisecitationIn wealthy countries, such as the U.S., food is relatively inexpensive compared to other expenses and people can afford to waste food.
“In wealthy countries, such as the U.S., food is relatively inexpensive compared to other expenses (e.g., housing) and people can afford to waste food (Pearson et al. 2013).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
May combine two claims.
InterpretationcitationIndustrialization of food systems affects the foods people consume, the types and quantities of food waste, and contributes to increased physical distancing of people from food production and preparation.
“Industrialization of food systems, which results in a transition of food production and preparation from the home to factory and from handcraft to purchasing (Strasser 1999), affects the foods that people consume, the types and quantities of food waste, and contributes to increased physical distancing of people from food production and preparation.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Strasser 1999
Not checked in the free run.
May combine two claims.
PremisecitationDisconnection from food means people have no sense of what their food is made of or how it was produced.
“This promotes disconnections from food (Parfitt et al. 2010), so that people have no sense of what their food is made of or how it was produced (Fischler 1999).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Parfitt et al. 2010 source
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- cites Fischler 1999
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationFood supply globalization was made possible by social and technological changes occurring after food supply industrialization.
“Food supply globalization was made possible by social and technological changes occurring after food supply industrialization (Robertson 1990).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Robertson 1990 source
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based).
InterpretationreasoningThe difference in Spanish and U.K. managers' views is possibly due to recent campaigns in the U.K. emphasizing food waste as a problem.
“This is possibly due to recent campaigns in the U.K. emphasizing food waste as a problem.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationCountries such as France have deep food cultures which are deeply embedded in culture and which have been developed over long periods of time.
“Countries such as France have deep food cultures which are deeply embedded in culture and which have been developed over long periods of time (Gatley et al. 2014).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gatley et al. 2014 source
Not checked in the free run.
May combine two claims.
PremisecitationCulture plays a fundamental role in shaping food, eating, and nutrition, as well as waste generation.
“Culture plays a fundamental role in shaping food, eating, and nutrition (Rozin 2005, Sobal 1998), as well as waste generation.”
Quote in the paperSubstantial claim0 of 2 sources checkedProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationThe U.S. has an unhealthy relationship with food, and overall, the U.S. food culture places little value on food, leading to waste.
“Bloom (2010) has argued that the U.S. has an unhealthy relationship with food, and overall, the U.S. food culture places little value on food, leading to waste.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Bloom (2010)
Not checked in the free run.
May combine two claims.
PremisecitationSurveys of attitudes and behaviors have shown some correlations between food wasting behaviors and certain socio-demographic characteristics, although there is no clear consensus regarding which socio-demographic factors relate to more waste.
“Surveys of attitudes and behaviors have shown some correlations between food wasting behaviors and certain socio-demographic characteristics (Pearson et al. 2013), although there is no clear consensus regarding which socio-demographic factors relate to more waste.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
May combine two claims.
PremisecitationSpanish retail food managers did not see food wastage as a major problem, but managers in the U.K. placed waste on a higher agenda.
“Mena et al. (2015) found that Spanish retail food managers did not see food wastage as a major problem, but managers in the U.K. placed waste on a higher agenda.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Mena et al. (2015)
Not checked in the free run.
May combine two claims.
PremisecitationFrench attitudes toward food tend to emphasize moderation and quality, rather than abundance and quantity as in the U.S.
“French attitudes toward food tend to emphasize moderation and quality, rather than abundance and quantity as in the U.S. (Rozin 2005).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Rozin 2005 source
Not checked in the free run.
May combine two claims.
PremisecitationNew dietary patterns reflect global patterns and may differ significantly from traditional food practices, particularly because non-local foods are available and there is an overall increase in the range and quantities of available foods.
“New dietary patterns reflect global patterns and may differ significantly from traditional food practices, particularly because non-local foods are available for consumption and there is an overall increase in the range and quantities of available foods (Pingali and Khwaja 2004).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pingali and Khwaja 2004
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
InterpretationreasoningUnderstanding demographic patterns can lead to a better understanding of how wastage patterns may change as demographics change.
“Understanding demographic patterns can lead to a better understanding of how wastage patterns may change as demographics change (e.g., ageing populations).”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationFood now travels long distances and to more supermarkets in place of small, local markets, so consumers purchase more non-local foods.
“Food now travels long distances (Pretty et al. 2005), and to more supermarkets in place of small, local markets, and so consumers purchase more non-local foods.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pretty et al. 2005 source
Not checked in the free run.
May combine two claims.
PremisecitationIn Australia, food waste fell sharply as age increased; among 18 to 24 year olds, 38 percent of respondents wasted more than $30 (Australian) on fresh food over two weeks, compared to seven percent of people aged 70 and up.
“In Australia, food waste fell sharply as age increased; among 18 to 24 year olds, 38 percent of respondents wasted more than $30 (Australian) on fresh food over two weeks, compared to seven percent of people aged 70 and up (Hamilton et al. 2005).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Hamilton et al. 2005
Not checked in the free run.
May combine two claims.
PremisecitationPeople from different cultures regard different foods and food parts as edible, and throw different parts away.
“People from different cultures regard different foods and food parts as edible, and throw different parts away (Strasser 1999).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Strasser 1999
Not checked in the free run.
May combine two claims.
PremisecitationSome cultures, particularly the U.S. and Australia, have weak food traditions of their own, meaning there are few longstanding rules and rituals about what to eat and when to eat it, and there are weak connections between the production and preparation of food and its consumption.
“Pollan (2007) points out that some cultures, particularly the U.S. and Australia, have weak food traditions of their own, meaning there are few longstanding rules and rituals about what to eat and when to eat it, and there are weak connections between the production and preparation of food and its consumption.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pollan (2007)
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing), S4 (based). May combine two claims.
InterpretationreasoningChanges in diets spurred by globalization affect the type of food that is disposed; people may be more likely to waste food as they do not have a deep connection and understanding of it.
“Changes in diets spurred by globalization affect the type of food that is disposed; people also may be more likely to waste food as they do not have a deep connection and understanding of it.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationIn developing countries, consumers generally buy smaller amounts of food each time they shop compared to developed countries, often just enough for meals that day, which may reduce waste.
“In developing countries, consumers generally buy smaller amounts of food each time they shop (compared to developed countries), often just enough for meals that day (Pearson et al. 2013), which may reduce waste.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
Classified as probably not a substantial claim.
Interpretationnone givenFood safety inspections or food labeling requirements mandate the disposal of food that is not allowed to be sold or consumed, such as food that is improperly labeled or inadequately stored.
“Food safety inspections or food labeling requirements mandate the disposal of food that is not allowed to be sold or consumed, such as food that is improperly labeled or inadequately stored.”
Quote in the paperSubstantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Premisenone givenThe USDA and the European Union have recognized that food safety policies contribute to waste, but consider human health protection the primary concern.
“The USDA and the European Union (EU) have recognized that food safety policies contribute to waste, but consider human health protection the primary concern.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationThere is no clear consensus on attitudes toward food waste, although food waste awareness has been shown to reduce waste.
“There is no clear consensus on attitudes toward food waste, although food waste awareness has been shown to reduce waste (Parizeau et al. 2015).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Parizeau et al. 2015 source
Not checked in the free run.
May combine two claims.
PremisecitationKoivupuro et al. (2012) found no significant difference in waste per capita based on household size, but people that lived alone generated the most waste per capita.
“Koivupuro et al. (2012) found no significant difference in waste per capita based on household size, but people that lived alone generated the most waste per capita.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Koivupuro et al. (2012) source
Not checked in the free run.
May combine two claims.
PremisecitationCohen et al. (2014) evaluated plate waste at several schools before and after the 2012 standards were implemented, and found substantial amounts of food waste both before and after the 2012 policy.
“However, Cohen et al. (2014) evaluated plate waste at several schools before and after the 2012 standards were implemented, and found substantial amounts of food waste both before and after the 2012 policy.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Cohen et al. (2014) source
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Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationSchwartz et al. (2015) found that the standard reduced plate waste in middle schools.
“Schwartz et al. (2015) found that the standard reduced plate waste in middle schools; so, it is unclear whether the standard causes increased food wastage.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Schwartz et al. (2015)
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing).
PremisecitationOthers found little or no correlation between income and food wastage.
“However, others found little or no correlation between income and food wastage (Koivupuro et al. 2012, Van Garde and Woodburn 1987, Wenlock et al. 1980).”
Quote in the paperNot a substantial claim0 of 3 sources checkedMay combine two claims.
PremisecitationLower food waste has been found in low-income compared to high-income households, and food waste has also been shown to increase with household income.
“Lower food waste has been found in low-income compared to high-income households (Cox andDowning 2007, WasteMinz 2014) and food waste has also been shown to increase with household income (Baker et al. 2009).”
Quote in the paperNot a substantial claim0 of 3 sources checked- cites Cox andDowning 2007
Not checked in the free run.
- cites WasteMinz 2014
Not checked in the free run.
- cites Baker et al. 2009
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May combine two claims.
InterpretationreasoningPolicies that contribute to food waste aim to achieve some overall benefit such as food safety or enhanced nutrition, but they may also lead to increased food wastage.
“These policies aim to achieve some overall benefit (food safety or enhanced nutrition), but they may also lead to increased food wastage.”
Quote in the paperSubstantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationThe 2010 Healthy, Hunger-Free Kids Act has been criticized for leading to substantially more food waste because students dislike the new meals and are throwing away fruits and vegetables that they are required to take.
“This policy has been criticized for leading to substantially more food waste because students dislike the new meals and are throwing away fruits and vegetables that they are required to take (Jalonick 2014).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Jalonick 2014
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
Interpretationnone givenCultural, political, economic, geographic, and sociodemographic drivers may cause food waste behaviors, but so can personal preference, values, and attitudes.
“Cultural, political, economic, geographic, and sociodemographic drivers described in section 4 may cause the behaviors, but so can personal preference, values, and attitudes.”
Quote in the paperNot a substantial claimProbably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationOlder participants felt that wasting food was wrong, which may be based on the fact that many people of this age group experienced austerity and food rationing during World War II, establishing attitudes against wastefulness.
“These older participants felt that wasting food was wrong, which may be based on the fact that many people of this age group experienced austerity and food rationing during World War II, establishing attitudes against wastefulness (Quested et al. 2013).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Quested et al. 2013 source
Not checked in the free run.
May combine two claims.
PremisecitationLarger households waste less per capita than smaller households, especially those where people live alone.
“Larger households waste less per capita than smaller households (Baker et al. 2009, Parizeau et al. 2015, WasteMinz 2015, Williams et al. 2012), especially those where people live alone (WasteMinz 2014).”
Quote in the paperNot a substantial claim0 of 3 sources checked- cites Baker et al. 2009
Not checked in the free run.
- cites Parizeau et al. 2015 source
Not checked in the free run.
- cites WasteMinz 2014
Not checked in the free run.
May combine two claims.
PremisecitationSpecific causes of retail and institutional food waste include unpurchased specialty holiday food, damaged packaging, damaged or inadequately prepared items, overstocking or over-preparation of food, routine kitchen preparation waste, and out-grading/quality control.
“Specific causes include (1) unpurchased specialty holiday food; (2) damaged packaging; (3) damaged or inadequately prepared items; (4) overstocking or over-preparation of food; (5) routine kitchen preparation waste; and (6) out-grading/quality control (Buzby and Hyman 2012).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Buzby and Hyman 2012 source
Not checked in the free run.
May combine two claims.
PremisecitationOver-provisioning is both intentional and unintentional, as cooks may find it difficult to estimate how much to cook, but they also would rather prepare too much food than not enough.
“Over-provisioning is both intentional and unintentional, as cooks may find it difficult to estimate how much to cook, but they also would rather prepare too much food than not enough (Pearson et al. 2013).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
May combine two claims.
PremisecitationIn the home, wastes may be generated due to preparing too much food or preparing food inadequately.
“In the home, wastes may be generated due to preparing too much food (Koivupuro et al. 2012) or preparing food inadequately.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Koivupuro et al. 2012 source
Not checked in the free run.
May combine two claims.
Interpretationnone givenPeople may lack the skills to prepare food well, or to reuse leftovers.
“People may lack the skills to prepare food well, or to reuse leftovers.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationFood is commonly purchased without much thought as to how it will be used, which can contribute to wastage.
“Food is commonly purchased without much thought as to how it will be used (Gustavsson et al. 2011) which can contribute to wastage.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Gustavsson et al. 2011
Not checked in the free run.
May combine two claims.
PremisecitationIn food service, plate waste is a significant contributor to food waste, and results from large portion sizes and undesired accompaniments.
“In food service, plate waste is a significant contributor to food waste (NRDC 2012), and results from large portion sizes and undesired accompaniments.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites NRDC 2012
Not checked in the free run.
May combine two claims.
PremisecitationThese large portions encourage both waste and obesity.
“These large portions encourage both waste and obesity (Young and Nestle 2002).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Young and Nestle 2002
Not checked in the free run.
May combine two claims.
InterpretationreasoningDifferences in wastage across commodity types may be attributed to packaging differences, susceptibility to damage, and the public's knowledge and familiarity with certain foods.
“These differences may be attributed to packaging differences, susceptibility to damage, and the public's knowledge and familiarity with certain foods.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationOverstocking is an issue because retailers would rather put more stock out than run out of items and restaurants prefer to have a wide array of available menu options.
“Overstocking also is an issue because retailers would rather put more stock out than run out of items and restaurants prefer to have a wide array of available menu options (Stuart 2009).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Stuart 2009
Not checked in the free run.
May combine two claims.
PremisecitationIn U.S. supermarkets, the percentage of fresh produce delivered that was not sold for any reason ranged from 2.2 percent for sweet corn to 62.9 percent for turnip greens; the range for fruits was smaller, from 4.1 percent for bananas to 43.1 percent for papaya.
“Buzby et al. (2015) found that in U.S. supermarkets, the percentage of fresh produce delivered to U.S. supermarkets that was not sold for any reason ranged from 2.2 (sweet corn) to 62.9 (turnip greens) percent; the range for fruits was smaller, ranging from 4.1 (bananas) to 43.1 (papaya) percent.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Buzby et al. (2015) source
Not checked in the free run.
May combine two claims.
PremisecitationPoor planning at the shopping stage leads to over-provisioning and impulse or bulk purchases, which are significant contributors to food waste.
“Poor planning at the shopping stage leads to over-provisioning and impulse or bulk purchases (Koivupuro et al. 2012), which are significant contributors to food waste (Pearson et al. 2013).”
Quote in the paperNot a substantial claim0 of 2 sources checked- cites Koivupuro et al. 2012 source
Not checked in the free run.
- cites Pearson et al. 2013
Not checked in the free run.
Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.
PremisecitationSome work has found a lack of concern and awareness regarding food waste and a perception that food waste prevention is not a priority.
“Some work has found a lack of concern and awareness regarding food waste (Buzby et al. 2011, Pearson et al. 2013) and a perception that food waste prevention is not a priority (Graham-Rowe et al. 2014).”
Quote in the paperNot a substantial claim0 of 3 sources checkedProbably not a substantial claim: may not pass S2 (checkable). May combine two claims.
InterpretationreasoningA package of prevention policies are necessary to prevent food waste; they should encompass three key aspects: Values, Skills, and Logistics.
“It can be concluded that a package of prevention policies are necessary to prevent food waste; they should encompass three key aspects: Values, Skills, and Logistics.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationConfusion and general misconceptions about food safety and high sensitivities to food safety are contributors to food waste.
“This confusion and general misconceptions about food safety and high sensitivities to food safety are contributors to food waste (Pearson et al. 2013).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Pearson et al. 2013
Not checked in the free run.
Probably not a substantial claim: may not pass S2 (checkable). May combine two claims.
Interpretationnone givenFood waste is a complex, interdisciplinary, and international issue which can have profound effects for global sustainability.
“This paper demonstrated that food waste is a complex, interdisciplinary, and international issue which can have profound effects for global sustainability.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationFood spoilage due to improper or suboptimal storage, poor visibility in refrigerators, and partially used ingredients leads to wastage.
“Food spoilage due to improper or suboptimal storage, poor visibility in refrigerators, and partially used ingredients, leads to wastage (NRDC 2012).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites NRDC 2012
Not checked in the free run.
May combine two claims.
PremisecitationNational circumstances and cultural norms have been linked to food wastage, so wastage patterns may differ from region to region and country to country.
“National circumstances and cultural norms have also been linked to food wastage (BioIntelligence Service 2011), so wastage patters may differ from region to region and country to country.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites BioIntelligence Service 2011
Not checked in the free run.
Probably not a substantial claim: may not pass S2 (checkable).
InterpretationreasoningValues involves addressing values and perceptions which drive behavior.
“The first aspect, Values, involves addressing values and perceptions which drive behavior.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationState rules vary in coverage and what the dates mean, which leads to consumer confusion, and often results in safe, edible food being thrown away.
“State rules vary in coverage and what the dates mean which leads to consumer confusion (Kosa et al. 2007), and often results in safe, edible food being thrown away.”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Kosa et al. 2007 source
Not checked in the free run.
May combine two claims.
InterpretationcitationPortion sizes in the home, as measured in the sizes of bowls, glasses, and dinner plates, and serving sizes as presented in cookbooks, have been increasing.
“Portion sizes in the home, as measured in the sizes of bowls, glasses, and dinner plates, and serving sizes as presented in cookbooks, have been increasing.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationA survey of U.K. households found 47 percent more fresh food was wasted compared to frozen foods because fresh food spoils faster.
“A survey of U.K. households found 47 percent more fresh food was wasted compared to frozen foods because fresh food spoils faster (Martindale 2014).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Martindale 2014 source
Not checked in the free run.
Classified as probably not a substantial claim. May combine two claims.
PremisecitationValues policy options should address identified concerns regarding food wastage, which include: food waste is a waste of resources; wasting food is wrong and yields feelings of guilt; and food waste negatively impacts the environment.
“Values policy options should address identified concerns regarding food wastage, which include: (1) food waste is a waste of resources (money and edible food); (2) wasting food is wrong (WasteMinz 2014) and yields feelings of guilt (Graham-Rowe et al. 2014); and (3) food waste negatively impacts the environment (Doron 2013).”
Quote in the paperSubstantial claim0 of 3 sources checked- cites WasteMinz 2014
Not checked in the free run.
- cites Graham-Rowe et al. 2014 source
Not checked in the free run.
- cites Doron 2013
Not checked in the free run.
Classified as probably not a substantial claim. May combine two claims.
PremisecitationIt is necessary to address multiple prevention mechanisms simultaneously because prevention is not created by one, but by many behaviors.
“It is necessary to address multiple prevention mechanisms simultaneously because prevention is not created by one, but by many behaviors (Cox et al. 2010).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Cox et al. 2010 source
Not checked in the free run.
May combine two claims.
InterpretationreasoningThere are an array of attitudes, preferences, values, and behaviors toward food which contribute to the propensity to waste food at residential, institutional, and commercial sectors; these factors may differ from person to person.
“Sections 4 and 5 demonstrated that there are an array of attitudes, preferences, values, and behaviors toward food which contribute to the propensity to waste food at residential, institutional, and commercial sectors; these factors may differ from person to person.”
Quote in the paperSubstantial claimMay combine two claims.
PremisecitationWaste prevention requires changes in people's behavior, both collectively and individually.
“Waste prevention requires changes in people's behavior, both collectively (e.g., companies) and individually (BioIntelligence Service 2011, Wilson 1996).”
Quote in the paperSubstantial claim0 of 2 sources checked- cites BioIntelligence Service 2011
Not checked in the free run.
- cites Wilson 1996 source
Not checked in the free run.
Probably not a substantial claim: may not pass S2 (checkable). May combine two claims.
InterpretationreasoningExamination of the diverse range of food wastage drivers and behaviors provides insight into the best ways to achieve successful food waste prevention, which possibly can reverse the trend of increased food wastage.
“Examination of the diverse range of food wastage drivers and behaviors provides insight into the best ways to achieve successful food waste prevention, which possibly can reverse the trend of increased food wastage.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationLarge quantities of food are currently wasted, and food waste disposal has been shown to increase with time.
“Table 4 illustrated that large quantities of food is currently wasted, and food waste disposal has been shown to increase with time (Thyberg et al. 2015).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Thyberg et al. 2015
Not checked in the free run.
Probably not a substantial claim: may not pass S2 (checkable).
PremisecitationPeople should be trained in food management skills to empower them to reduce waste.
“Graham-Rowe (2014) also determined that people should be trained in food management skills to empower them to reduce waste.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Graham-Rowe (2014) source
Not checked in the free run.
Classified as probably not a substantial claim. May combine two claims.
PremisecitationData from monitoring and evaluation can serve as critical resources for designing future waste prevention programs and improving existing programs.
“These data can serve as critical resources for designing future waste prevention programs and improving existing programs (Thyberg and Tonjes 2015).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Thyberg and Tonjes 2015
Not checked in the free run.
May combine two claims.
PremisecitationPackaging may be used to increase product protection, facilitate temperature control, or prevent damage during distribution.
“Packaging may be used to increase product protection, facilitate temperature control, or prevent damage during distribution (Verghese et al. 2015).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Verghese et al. 2015 source
Not checked in the free run.
May combine two claims.
PremisecitationLogistical barriers to donation may be substantial, but they can be overcome to some degree with strong coordination efforts.
“Logistical barriers to donation may be substantial (Schneider 2013b), but they be overcome to some degree with strong coordination efforts.”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Schneider 2013b
Not checked in the free run.
Probably not a substantial claim: may not pass S2 (checkable).
InterpretationcitationBetter employee training could address this skill-deficit.
“Better employee training could address this skill-deficit.”
Quote in the paperNot a substantial claimMay combine two claims.
PremisecitationImproving forecasting practices and using up-to-date data mining models can reduce forecast error and ultimately wastage.
“Improving forecasting practices and using up-to-date data mining models are examples of logistical improvements which can reduce forecast error and ultimately wastage (Mena et al. 2011).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Mena et al. 2011 source
Not checked in the free run.
May combine two claims.
PremisecitationLogistical improvements at the institutional level, particularly schools, include enabling the storage of intact food for later use, modification of policies which encourage waste, and changes to daily operations.
“Logistical improvements at the institutional level, particularly schools, which have been identified include enabling the storage of intact food for later use, modification of policies which encourage waste (e.g., mandating students take certain foods), and changes to daily operations (e.g., increasing time students have to eat) (Blondin et al. 2015).”
Quote in the paperNot a substantial claim0 of 1 sources checked- cites Blondin et al. 2015 source
Not checked in the free run.
May combine two claims.
PremisecitationLogistics facilitates food waste prevention and minimizes inconvenience, both of which have been identified as key aspects of successful food waste prevention programs.
“The final aspect of a policy package is Logistics which facilitates food waste prevention and minimizes inconvenience, both of which have been identified as key aspects of successful food waste prevention programs (Graham-Rowe et al. 2014).”
Quote in the paperSubstantial claim0 of 1 sources checked- cites Graham-Rowe et al. 2014 source
Not checked in the free run.
Classified as probably not a substantial claim.
InterpretationreasoningWaste prevention in general has frequently been ignored in waste management.
“Waste prevention in general has frequently been ignored in waste management, as signaled by states that define waste goals in terms of recycling or diversion, rather than using indicators that capture prevention success.”
Quote in the paperSubstantial claim
The paper relies on this without support.
In the U.S., food waste makes up nearly 15 percent of the disposed municipal waste stream and Americans dispose over 0.6 pounds of food waste per person per day.
“In the U.S., food waste makes up nearly 15 percent of the disposed municipal waste stream and Americans dispose over 0.6 pounds of food waste per person per day.”
The paper relies on this without support.
Wasted food is a considerable component of the world's food system challenges.
“Wasted food is a considerable component of the world's food system challenges.”
The paper relies on this without support.
Food waste prevention policies can substantially reduce the amount of food waste disposed.
“Food waste prevention policies can substantially reduce the amount of food waste disposed”
The paper relies on this without support.
Data on the proportion of disposed food waste that is avoidable are lacking in the U.S.
“More studies documenting the proportion of disposed food waste that is avoidable would be beneficial, especially in the U.S. where data are lacking.”
The paper relies on this without support.
Food waste prevention has not yet become mainstream in the U.S. or abroad.
“However, food waste prevention has not yet become mainstream in the U.S. or abroad.”
The paper relies on this without support.
Wastage of food is a widespread phenomenon globally.
“Wastage of food is a widespread phenomenon globally”
The paper relies on this without support.
Food waste generation will continue growing if not curbed by prevention policies.
“it is likely that food waste generation will continue growing if not curbed by prevention policies”
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?
The higher people's income, the higher eating at a restaurant.
“In that sense, Stefan et al. [50] and Thyberg. and Tonjes [19] argued that the higher people's income, the higher eating at a restaurant”
From The Impact of Religiosity and Food Consumption Culture on Food Waste Intention in Saudi Arabia (2021) · cites this paper as [19]
The Globalization section reports that restaurant eating has become more frequent in the developed world, while §4.1.2 associates higher incomes with more varied diets. Neither passage says that higher-income people eat at restaurants more often; the Globalization section instead points partly to the rise of two-earner households. (LLM, conf=0.78)
Experimental — accuracy not yet measuredPeople with a strong food consumption culture tend to slow to adapt which can affect food waste behavior.
“Consequently, people with a strong food consumption culture tend to slow to adapt which can affect food waste behavior [19].”
From The Impact of Religiosity and Food Consumption Culture on Food Waste Intention in Saudi Arabia (2021) · cites this paper as [19]
People's perceptions of what is too good to be thrown away and what is not are influenced by their culture and personal attitudes.
“People's perceptions of what is too good to be thrown away and what is not being influenced by their culture and personal attitudes [19].”
From The Impact of Religiosity and Food Consumption Culture on Food Waste Intention in Saudi Arabia (2021) · cites this paper as [19]
Consumerism culture influences people's perceptions of what is too good to be thrown away and what is not.
“In respect of food waste, consumerism culture influence people's perceptions of what is too good to be thrown away and what is not [19].”
From The Impact of Religiosity and Food Consumption Culture on Food Waste Intention in Saudi Arabia (2021) · cites this paper as [19]
Higher people's income is associated with higher food waste.
“which gives further evidence that support the results of [19] who argue that the higher people's income, the higher food waste.”
From The Impact of Religiosity and Food Consumption Culture on Food Waste Intention in Saudi Arabia (2021) · cites this paper as [19]
Analyses linking diet quality and environmental sustainability have typically focused on a limited suite of sustainability indicators and have not typically included food waste.
“Analyses linking diet quality and environmental sustainability have typically focused on a limited suite of sustainability indicators, and have not typically included food waste, despite a growing focus on understanding where and how food is wasted in the food system.[14–16]”
From Relationship between food waste, diet quality, and environmental sustainability (2018) · cites this paper as [15]
Increasing consumers' knowledge about how to tell when fruits and vegetables are ripe, how to store and prepare them, and how to tell the difference between bruises/abrasions and spoilage is critically important to reducing food waste.
“increasing consumers’ knowledge about how to tell when fruits and vegetables are ripe, how to store and prepare them, and how to tell the difference between bruises/abrasions and spoilage will be critically important to reducing food waste.[15, 24]”
From Relationship between food waste, diet quality, and environmental sustainability (2018) · cites this paper as [15]
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“Another review was conducted by Thyberg and Tonjes [15] about the drivers of FLW and their implications for sustainable policy development.”
BackgroundInfluentialHousehold food waste: drivers and potential intervention points for design – an extensive review
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- Authors
- Thyberg, K. L., & Tonjes, D. J.
- Affiliations
- Stony Brook University (US)
- Corresponding author
- Thyberg, Krista L.
- Venue
- Resources, Conservation and Recycling
- Publisher
- Elsevier BV
- Published
- 2016-01
- Volume
- 106
- Pages
- 110-123
- ISSN
- 0921-3449 (ISSN-L)
- OpenAlex
- W2192017595
- Semantic Scholar
- 8c4b23d20fdd3a17c46d4ef6b893a01d0b6870cc
- Cited by
- 928
- References
- 104
- Citations by year
- 2026: 66 · 2025: 110 · 2024: 102 · 2023: 112 · 2022: 116 · 2021: 115 · 2020: 114 · 2019: 87 · 2018: 51 · 2017: 30 · 2016: 22 · 2015: 1
- FWCI
- 46.29
- Type
- journal article
- Language
- en
- Open access
- Locations
- Resources Conservation and Recycling (publishedVersion)
- Academic Commons (Stony Brook University) (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- Funders
- U.S. Environmental Protection Agency
- U.S. Food and Drug Administration
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Food Waste Reduction and Sustainability
- Physical Sciences › Environmental Science › Ecology › Agriculture Sustainability and Environmental Impact
- Physical Sciences › Environmental Science › Waste Management and Disposal › Waste Management and Recycling
- Keywords
- food waste, food waste prevention, food waste recovery, urbanization, globalization, economic growth, consumer behavior, waste management policy, food security, resource conservation, developed countries
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Claims read by deepseek-v4.1-flash under definition version 3 (extract-v3) on 2026-10-10.
Classified by jev-1.13-20260917 (gold-guideline-v0.2) on 2026-10-10.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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