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减少温室气体排放和遵守EAT-Lancet饮食之间的协调:基于NutriNet-Santé队列的建模研究

Emmanuelle Kesse-Guyot¹, Florine Berthy¹, Justine Berlivet¹

¹Sorbonne Paris Nord University, Inserm, INRAE, Cnam, Nutritional Epidemiology Research Team (EREN), Epidemiology and Statistics Research Center - University of Paris Cité (CRESS), 93017 Bobigny, France.

The Science of the total environment

|August 14, 2024

概括

通过饮食减少温室气体排放是可能的. 优化健康和行星限制的饮食可以显著减少温室气体,即使是严格的营养规则,显示饮食.

科学领域:

环境科学环境科学
营养科学营养科学
公共卫生公共卫生

背景情况:

EAT-Lancet参考饮食在地球范围内促进健康饮食.
其减少温室气体排放 (GHGe) 的潜力尚未完全理解.
饮食转变对于环境可持续性至关重要.

研究的目的:

通过饮食优化,研究营养和可接受性限制如何影响GHGe的减少.
评估减少温室气体排放量与EAT-Lancet评分之间的一致性.
为了模拟法国的饮食,并评估它们对环境,营养,经济和健康的影响.

主要方法:

利用来自29,413名NutriNet-Santé参与者的数据进行法国饮食建模.
使用有机食品频率问卷来追踪有机和传统食品的消费.
使用Dialecte数据库来估计饮食对环境的影响,以及PNNS-GS2用于饮食质量.
在各种营养和可接受性约束下模拟的温室气体减排.

主要成果:

在严格的约束下将GHGe降至最低,将排放量降低了67%,以91%的有机食品提高了103%的EAT得分.
更大的温室气体减排需要放松某些营养限制.
通过75%的温室气体减排来最大限度地提高EAT得分,需要更轻松的铁和生物可用性限制.
这导致EAT得分提高了141%,土地占用减少了57%,有机食品占94%.

结论:

通过饮食变化可以实现显著的温室气体减排,与EAT-Lancet原则保持一致,但不完全如此.
饮食优化可以大幅减少环境影响,同时提高营养质量.
深刻的饮食重塑,以及更广泛的食物系统变化,是有效减轻温室气体的必要条件.

关键词:

饮食饮食饮食饮食温室气体排放量排放量温室气体排放量健康的饮食健康的饮食缓解缓解缓解的方法优化优化优化优化可持续的饮食可持续的饮食

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