globalchange  > 全球变化的国际研究计划
DOI: 10.3389/fnut.2019.00143
WOS记录号: WOS:000483881300001
论文题名:
Valuing the Multiple Impacts of Household Food Waste
作者: von Massow, Michael1; Parizeau, Kate2; Gallant, Monica1; Wickson, Mark1; Haines, Jess3; Ma, David W. L.4; Wallace, Angela3; Carroll, Nicholas3; Duncan, Alison M.4
通讯作者: von Massow, Michael ; Parizeau, Kate
刊名: FRONTIERS IN NUTRITION
ISSN: 2296-861X
出版年: 2019
卷: 6
语种: 英语
英文关键词: food waste ; household waste ; composition audit ; nutrition loss ; environmental impact ; economic cost
WOS关键词: BEHAVIOR ; PRICE ; ATTITUDES ; BARRIERS ; DRIVERS
WOS学科分类: Nutrition & Dietetics
WOS研究方向: Nutrition & Dietetics
英文摘要:

The Commission for Environmental Cooperation (CEC) has estimated that Canadian households waste 85 kg of food per person annually. Food waste has become an increasingly common focus for policy, regulation, interventions, and awareness-raising efforts in Canada. However, there is still a relative dearth of data to inform such decision-making processes or to provide narratives to contextualize behavior change efforts. In this paper, we describe the results of an uncommonly detailed observational study of household food waste. A total of 94 families with young children living in Guelph, Ontario chose to participate in this study. Over the course of multiple weeks, we collected data on their food purchases, food consumption, and waste generation. All three streams of waste (garbage, recycling, and organic waste) were audited and the food type, degree of avoidability, and weight of each individual component of the organic waste stream was recorded. Using this highly granular data set, we found that the average household in our study generated approximately 2.98 kg of avoidable food waste per week. This estimate was then contextualized in terms of economic losses (dollar value), nutritional losses (calories, vitamins, and minerals) and environmental impacts (global warming potential, land, and water usage). In short, weekly avoidable food waste per household was calculated to be equivalent to $18.01, 3,366 calories, and 23.3 kg of CO2. These multiple valuation frameworks, which are based in detailed observations of family food behaviors rather than estimations derived from system-wide data, will enable more informed and urgent conversations about policy, programming, and interventions in order to reduce the volume of wasted food at the consumer level.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/146733
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Univ Guelph, Dept Food Agr & Resource Econ, Guelph, ON, Canada
2.Univ Guelph, Dept Geog Environm & Geomat, Guelph, ON, Canada
3.Univ Guelph, Dept Family Relat & Appl Nutr, Guelph, ON, Canada
4.Univ Guelph, Dept Human Hlth & Nutr Sci, Guelph, ON, Canada

Recommended Citation:
von Massow, Michael,Parizeau, Kate,Gallant, Monica,et al. Valuing the Multiple Impacts of Household Food Waste[J]. FRONTIERS IN NUTRITION,2019-01-01,6
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