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将循环融入2025年EAT-Lancet框架:全球建模分析
Hannah H E van Zanten1, Vera Bekkers2, Felicitas Beier3
1Earth Systems and Global Change, Wageningen University and Research, Wageningen, Netherlands; Department of Global Development, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY, USA.
The Lancet. Planetary health
|November 6, 2025
概括
提高粮食系统的循环性是满足和的行星边界的关键. 将循环与饮食转变和废物减少相结合,可以确保在地球范围内实现可持续的粮食未来.
科学领域:
- 食品系统分析 食品系统分析
- 环境可持续性 环境可持续性
- 循环经济是一个循环经济.
背景情况:
- 2025年EAT-Lancet委员会强调饮食转变和减少浪费对环境有益.
- 在满足行星和界限方面仍然存在挑战.
- 本研究评估了循环在补充现有粮食系统转型战略中的作用.
研究的目的:
- 评估如何提高食品系统的循环性可以优化环境效益.
- 为了确定循环是否可以帮助满足和的行星边界.
- 为了补充EAT-Lancet委员会关于粮食系统转型的调查结果.
主要方法:
- 应用了全球循环食品系统模型,一种基于生物物理的方法.
- 从2025年EAT-Lancet委员会多模型组合中利用的场景.
- 与平常情况与整合饮食转变,废物减少和循环的场景进行了比较.
主要成果:
- 实现到2050年大幅减少 (50%), (73%),土地利用 (76%) 和温室气体排放 (75%).
- 饮食转变,生产优化和减少废物推动了大多数环境收益.
- 增强的循环性对于满足和行星边界至关重要.
结论:
- 循环性通过回收废物用于料和肥料来扩大EAT-Lancet调整的转换的好处.
- 循环性补充,但不能取代饮食改变的必要性.
- 结合循环,饮食转变和减少浪费的综合方法对于可持续的食品系统至关重要.
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