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对比代表性食品捐赠和再分配策略对环境的影响
Zhijian Guo1, Tianhong Mu2,3, Beth Feingold3
1Department of Mathematics and Statistics, University at Albany, State University of New York, 1400 Washington Avenue, Albany, NY 12222, USA.
Foods (Basel, Switzerland)
|February 27, 2026
概括
粮食捐赠系统为环境带来了显著的好处,减少了全球变暖,酸化,高化,能源需求和水资源枯竭. 优化捐赠质量和紧急组织能力可以最大限度地发挥这些积极影响.
科学领域:
- 环境科学 环境科学
- 生命周期评估 生命周期评估
- 食品系统分析 食品系统分析
背景情况:
- 评估环境影响对于有效的食品捐赠政策至关重要.
- 对食品捐赠系统的生命周期评估 (LCA) 研究有限.
- 了解粮食再分配对环境的影响至关重要.
研究的目的:
- 对八种不同的食品捐赠场景进行比较生命周期评估 (LCA).
- 量化不同供应链和运营配置的多个类别的环境影响.
- 确定影响食品捐赠系统对环境效益的关键因素.
主要方法:
- 比较生命周期评估 (LCA) 的方法.
- 功能单位:391.8公斤的食物在两周内重新分配.
- 分析了八种不同的捐赠场景,供应链和运营参数各不相同.
主要成果:
- 所有八种情景都显示了五个影响类别的净环境效益:全球变暖潜力,酸化潜力,高化潜力,累积能源需求和水资源枯竭.
- 涉及中介组织收集,采摘和将剩余食物运送到储藏室的场景产生了最高的环境效益.
- 食品废弃物管理 (填埋与堆肥) 的环境影响强度显著影响了整体效益,填埋显示出更大的效益.
结论:
- 食品捐赠系统为环境带来了巨大的优势.
- 改善捐赠食品的质量和提高紧急粮食组织的分类能力是最大限度地提高环境效益的关键.
- 减少运输距离和考虑捐助者的废物管理实践进一步放大了积极的环境成果.
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