Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/169094
Title: Cradle-to-grave emissions from food loss and waste represent half of total greenhouse gas emissions from food systems
Authors: Zhu, Jingyu
Luo, Zhenyi
Sun, Tingting
Li, Wenxuan
Zhou, Wei
Wang, Xiaonan
Fei, Xunchang
Tong, Huanhuan
Yin, Ke
Keywords: Engineering::Civil engineering
Issue Date: 2023
Source: Zhu, J., Luo, Z., Sun, T., Li, W., Zhou, W., Wang, X., Fei, X., Tong, H. & Yin, K. (2023). Cradle-to-grave emissions from food loss and waste represent half of total greenhouse gas emissions from food systems. Nature Food, 4(3), 247-256. https://dx.doi.org/10.1038/s43016-023-00710-3
Journal: Nature Food
Abstract: Global greenhouse gas (GHG) emissions from food loss and waste (FLW) are not well characterized from cradle to grave. Here GHG emissions due to FLW in supply chain and waste management systems are quantified, followed by an assessment of the GHG emission reductions that could be achieved by policy and technological interventions. Global FLW emitted 9.3 Gt of CO2 equivalent from the supply chain and waste management systems in 2017, which accounted for about half of the global annual GHG emissions from the whole food system. The sources of FLW emissions are widely distributed across nine post-farming stages and vary according to country, region and food category. Income level, technology availability and prevailing dietary pattern also affect the country and regional FLW emissions. Halving FLW generation, halving meat consumption and enhancing FLW management technologies are the strategies we assess for FLW emission reductions. The region-specific and food-category-specific outcomes and the trade-off in emission reductions between supply chain and waste management are elucidated. These insights may help decision makers localize and optimize intervention strategies for sustainable FLW management.
URI: https://hdl.handle.net/10356/169094
ISSN: 2662-1355
DOI: 10.1038/s43016-023-00710-3
Schools: School of Civil and Environmental Engineering 
Rights: © 2023 The Author(s), under exclusive licence to Springer Nature Limited. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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