Shifting Diets for Low-carbon Patterns Based on Multi-objective Optimization in China’s Megacities:A Case Study of Beijing and Shanghai

作     者：ZHANG Yan ZHU Yuanyuan ZHU Xiaohua LI Yan 张燕;朱媛媛;朱晓华;李艳

作者机构：Key Laboratory of Geographic Process Analysis&Simulation of Hubei ProvinceCentral China Normal UniversityWuhan 430079China Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China 

出 版 物：《Journal of Resources and Ecology》 (资源与生态学报(英文版))

年 卷 期：2025年第16卷第1期

页      面：93-104页

核心收录：

学科分类：0832[工学-食品科学与工程（可授工学、农学学位）] 083305[工学-城乡生态环境与基础设施规划] 08[工学] 09[农学] 0903[农学-农业资源与环境] 083201[工学-食品科学] 0833[工学-城乡规划学] 

基　　金：The National Natural Science Foundation of China(42171230) 

主　　题：carbon footprint diet optimization evolutionary characteristics China 

摘      要：Dietary modification has been suggested as a viable path to mitigate climate *** study explored the evolution of dietary structures in China’s megacities and quantified food-related carbon emissions using the carbon footprint ***,we developed a multi-objective optimization model to identify low-carbon dietary options that align with cultural preferences,economic feasibility,and nutritional *** found that from 1992 to 2021,the total food consumption of residents in Beijing and Shanghai experienced a period of fluctuating decline and slow rise,respectively,with their dietary structures both shifting toward animal-based ***,the significant increase in meat consumption led to increasing food carbon emissions in Beijing and Shanghai,with per capita emissions rising by 37.2%and 25.2%,*** to the multi-objective optimization model,shifting towards reduced consumption of animal products,particularly meat,would align with culturally acceptable,economically feasible,and low carbon emission goals in Beijing and Shanghai,potentially leading to reductions of 92.14 t and 212.65 t in total food carbon emissions compared with the actual in 2021,*** study enhances understanding of the changing dietary patterns in urban areas and their associated carbon emissions,and emphasizes the significance of optimizing diets as a key priority for advancing global sustainable development.