Food Loss and Waste: Measurement, Drivers, and Solutions

Author:

Spang Edward S.1,Moreno Laura C.2,Pace Sara A.1,Achmon Yigal34,Donis-Gonzalez Irwin5,Gosliner Wendi A.6,Jablonski-Sheffield Madison P.7,Momin Md Abdul5,Quested Tom E.8,Winans Kiara S.9,Tomich Thomas P.10

Affiliation:

1. Department of Food Science and Technology, University of California, Davis, California 95616, USA;,

2. Energy and Resources Group, University of California, Berkeley, California 94720, USA;

3. Department of Biotechnology and Food Engineering, University of California, Davis, California 95616, USA;

4. Program of Biotechnology and Food Engineering, Guangdong Technion-Israel Institute of Technology, Shantou, Guangdong Province 515063, China;

5. Department of Biological and Agricultural Engineering, University of California, Davis, California 95616, USA;,

6. Nutrition Policy Institute, University of California, Division of Agriculture and Natural Resources, Oakland, California 94607, USA;

7. Department of Public Health Sciences, University of California, Davis, California 95616, USA;

8. The Waste and Resources Action Programme (WRAP), Banbury, Oxon OX16 5BH, United Kingdom;

9. Department of Civil and Environmental Engineering, University of California, Davis, California 95616, USA;

10. Agricultural Sustainability Institute, University of California, Davis, California 95616, USA;

Abstract

It has been estimated that one-third of global food is lost or wasted, entailing significant environmental, economic, and social costs. The scale and impact of food loss and waste (FLW) has attracted significant interest across sectors, leading to a relatively recent proliferation of publications. This article synthesizes existing knowledge in the literature with a focus on FLW measurement, drivers, and solutions. We apply the widely adopted DPSIR (Driver-Pressure-State-Impact-Response) framework to structure the review. Key takeaways include the following: Existing definitions of FLW are inconsistent and incomplete, significant data gaps remain (by food type, stage of supply chain, and region, especially for developing countries), FLW solutions focus more on proximate causes rather than larger systemic drivers, and effective responses to FLW will require complementary approaches and robust evaluation.

Publisher

Annual Reviews

Subject

General Environmental Science

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