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A holistic approach to the environmental evaluation of food waste prevention.
Waste Manag. 2017 Jan; 59:442-450.WM

Abstract

The environmental evaluation of food waste prevention is considered a challenging task due to the globalised nature of the food supply chain and the limitations of existing evaluation tools. The most significant of these is the rebound effect: the associated environmental burdens of substitutive consumption that arises as a result of economic savings made from food waste prevention. This study introduces a holistic approach to addressing these challenges, with a focus on greenhouse gas (GHG) emissions from household food waste in the UK. It uses a hybrid life-cycle assessment model coupled with a highly detailed multi-regional environmentally extended input output analysis to capture environmental impacts across the global food supply chain. The study also takes into consideration the rebound effect, which was modelled using a linear specification of an almost ideal demand system. The study finds that food waste prevention could lead to substantial reductions in GHG emissions in the order of 706-896kg CO2-eq. per tonne of food waste, with most of these savings (78%) occurring as a result of avoided food production overseas. The rebound effect may however reduce such GHG savings by up to 60%. These findings provide a deeper insight into our understanding of the environmental impacts of food waste prevention: the study demonstrates the need to adopt a holistic approach when developing food waste prevention policies in order to mitigate the rebound effect and highlight the importance of increasing efficiency across the global food supply chain, particularly in developing countries.

Authors+Show Affiliations

Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK. Electronic address: rsalem@zerowastemena.org.Center for Industrial Ecology, School of Forestry and Environmental Studies, Yale University, New Haven, CT 06511, United States.Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK.Conservation Science Group, Department of Zoology, University of Cambridge, David Attenborough Building, Pembroke Street, Cambridge CB2 3EQ, UK.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

27712945

Citation

Salemdeeb, Ramy, et al. "A Holistic Approach to the Environmental Evaluation of Food Waste Prevention." Waste Management (New York, N.Y.), vol. 59, 2017, pp. 442-450.
Salemdeeb R, Font Vivanco D, Al-Tabbaa A, et al. A holistic approach to the environmental evaluation of food waste prevention. Waste Manag. 2017;59:442-450.
Salemdeeb, R., Font Vivanco, D., Al-Tabbaa, A., & Zu Ermgassen, E. K. H. J. (2017). A holistic approach to the environmental evaluation of food waste prevention. Waste Management (New York, N.Y.), 59, 442-450. https://doi.org/10.1016/j.wasman.2016.09.042
Salemdeeb R, et al. A Holistic Approach to the Environmental Evaluation of Food Waste Prevention. Waste Manag. 2017;59:442-450. PubMed PMID: 27712945.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A holistic approach to the environmental evaluation of food waste prevention. AU - Salemdeeb,Ramy, AU - Font Vivanco,David, AU - Al-Tabbaa,Abir, AU - Zu Ermgassen,Erasmus K H J, Y1 - 2016/10/04/ PY - 2016/06/05/received PY - 2016/09/28/revised PY - 2016/09/29/accepted PY - 2016/10/8/pubmed PY - 2017/5/2/medline PY - 2016/10/8/entrez KW - Food waste KW - Greenhouse gas emissions KW - Hybrid life-cycle assessment KW - Multi-regional input output analysis KW - Rebound effect KW - Waste prevention SP - 442 EP - 450 JF - Waste management (New York, N.Y.) JO - Waste Manag VL - 59 N2 - The environmental evaluation of food waste prevention is considered a challenging task due to the globalised nature of the food supply chain and the limitations of existing evaluation tools. The most significant of these is the rebound effect: the associated environmental burdens of substitutive consumption that arises as a result of economic savings made from food waste prevention. This study introduces a holistic approach to addressing these challenges, with a focus on greenhouse gas (GHG) emissions from household food waste in the UK. It uses a hybrid life-cycle assessment model coupled with a highly detailed multi-regional environmentally extended input output analysis to capture environmental impacts across the global food supply chain. The study also takes into consideration the rebound effect, which was modelled using a linear specification of an almost ideal demand system. The study finds that food waste prevention could lead to substantial reductions in GHG emissions in the order of 706-896kg CO2-eq. per tonne of food waste, with most of these savings (78%) occurring as a result of avoided food production overseas. The rebound effect may however reduce such GHG savings by up to 60%. These findings provide a deeper insight into our understanding of the environmental impacts of food waste prevention: the study demonstrates the need to adopt a holistic approach when developing food waste prevention policies in order to mitigate the rebound effect and highlight the importance of increasing efficiency across the global food supply chain, particularly in developing countries. SN - 1879-2456 UR - https://www.unboundmedicine.com/medline/citation/27712945/A_holistic_approach_to_the_environmental_evaluation_of_food_waste_prevention_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0956-053X(16)30546-3 DB - PRIME DP - Unbound Medicine ER -