Hoehn Daniel, Laso Jara, Cristóbal Jorge, Ruiz-Salmón Israel, Butnar Isabela, Borrion Aiduan, Bala Alba, Fullana-I-Palmer Pere, Vázquez-Rowe Ian, Aldaco Rubén, Margallo María
Department of Chemical and Biomolecular Engineering, University of Cantabria, Avda, De Los Castros, s.n., 39005 Santander, Spain.
Institute for Sustainable Resources, University College of London, Central House, 14 Upper Woburn Place, London WC1H 0NN, UK.
Foods. 2020 Nov 28;9(12):1765. doi: 10.3390/foods9121765.
Food loss and waste (FLW) has become a central concern in the social and political debate. Simultaneously, using FLW as a bioenergy source could significantly contribute to closing the carbon cycle by reintroducing energy into the food supply chain. This study aims to identify best strategies for FLW management in each of the 17 regions in Spain, through the application of a Life Cycle Assessment. To this end, an evaluation of the environmental performance over time between 2015 and 2040 of five different FLW management scenarios implemented in a framework of (i) compliance and (ii) non-compliance with the targets of the Paris Agreement was performed. Results revealed savings in the consumption of abiotic resources in those regions in which thermal treatment has a strong presence, although their greenhouse gas (GHG) emissions in a scenario of compliance with climate change targets are higher. In contrast, scenarios that include anaerobic digestion and, to a lesser extent those applying aerobic composting, present lower impacts, including climate change, suggesting improvements of 20-60% in non-compliance and 20-80% in compliance with Paris Agreement targets, compared to the current scenarios.
食物损失和浪费（FLW）已成为社会和政治辩论的核心关注点。与此同时，将FLW用作生物能源来源可以通过将能量重新引入食品供应链，为闭合碳循环做出重大贡献。本研究旨在通过应用生命周期评估，确定西班牙17个地区中每个地区FLW管理的最佳策略。为此，对在（i）符合和（ii）不符合《巴黎协定》目标的框架内实施的五种不同FLW管理情景在2015年至2040年期间的环境绩效随时间变化进行了评估。结果显示，在热处理占主导地位的地区，非生物资源消耗有所节省，尽管在符合气候变化目标的情景下，其温室气体（GHG）排放量较高。相比之下，包括厌氧消化的情景，以及在较小程度上应用好氧堆肥的情景，产生的影响较小，包括气候变化方面，这表明与当前情景相比，在不符合《巴黎协定》目标的情况下改善了20 - 60%，在符合目标的情况下改善了20 - 80%。
