选择饮食变化以实现可持续性:对饮食特征,环境足迹和成本的影响
Danielle J Guy1, Jeffery Bray2, Katherine M Appleton1
1Department of Psychology, Faculty of Science and Technology, Bournemouth University, UK.
Appetite
|December 28, 2023
概括
进行小型可持续的饮食改变,比如减少肉类消费,可以显著改善健康,降低环境影响,降低成本. 这些转变为长期的行为变化提供了一系列利益等级.
科学领域:
- 营养科学 营养科学
- 环境科学 环境科学
- 公共卫生 公共卫生
背景情况:
- 健康的可持续饮食对于改善营养和减少对环境的影响至关重要.
- 饮食建议必须考虑健康,环境和成本方面,以实现持续的行为变化.
研究的目的:
- 将原始饮食与通过小型可持续行动修改的饮食进行比较.
- 评估这些行动对饮食标记,环境足迹和成本的影响.
主要方法:
- 利用了1235名英国成年人的饮食数据 (英国国家饮食和营养调查,2017/19).
- 研究了12个假设的可持续饮食行动.
- 分析了饮食摄入量,环境足迹 (温室气体排放,水,土地利用) 和成本的变化.
主要成果:
- 在12项可持续行动中,有11项显示饮食标记和环境特征有好处.
- 减少肉类消费或用豆类/蛋取代肉类的行动带来了最大的整体效益.
- 其他行动为整个结果提供了个别或部分改进.
结论:
- 小规模的可持续饮食行动可以对健康,环境和成本产生积极影响.
- 确定了基于益处的行动等级,优先考虑减少肉类和植物性替代品.
- 研究结果支持促进饮食行为,以改善英国的健康和环境目标.
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