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气候变化和消费者的食物选择
C Berti1, M Baglioni2, A La Vecchia1,3
1Pediatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy.
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概括
转向可持续饮食对于地球和人类健康至关重要. 转向以植物为基础的食品和减少加工品,支持政策变化,可以减轻气候影响.
科学领域:
- 环境科学
- 营养科学
- 公共卫生政策
背景情况:
- 气候变化和农业食品系统是紧密相连的,当前的饮食模式对人类和地球的健康构成重大风险.
- 星球健康饮食的概念强调健康饮食和环境可持续性之间的协同作用,因为有证据表明更健康的饮食对环境的影响较低.
- 不可持续的饮食有助于环境退化和健康问题,需要向更可持续的食物消费模式过渡.
研究的目的:
- 审查围绕气候变化和饮食的关键问题,研究影响可持续食物选择的个人和结构因素.
- 探索行星健康饮食和具体饮食转变的潜力,如减少肉类消费和减少超加工食品的摄入,以减轻环境影响.
- 确定采用可持续饮食习惯的障碍和促进因素,并提出促进这一转变的政策干预措施.
主要方法:
- 采用叙事审查方法来综合有关气候变化,饮食和可持续性的现有文献.
- 审查分析了个人层面的动机 (环境问题,生态情感,健康,道德) 和结构性约束 (成本,接受,教育,政策).
- 用政治经济镜头来了解实施可持续粮食政策的动态.
主要成果:
- 证据支持更健康的饮食,比如部分用植物替代肉类,减少超加工食品,更有利于气候变化.
- 消费者对可持续饮食的采用受到环境意识,健康动机和道德考虑的影响,但受到高成本,低接受度和信息不足的挑战.
- 有效的治理,将可持续性纳入饮食指南,公共采购改革和经济激励对于促进可持续饮食至关重要.
结论:
- 目前的饮食模式对健康和环境有害, 但消费者对可持续选择的兴趣正在增加.
- 虽然个人选择很重要,但结构性干预对于推动健康和可持续饮食的广泛采用至关重要.
- 政策整合,公众意识和经济支持是应对向可持续粮食系统过渡的关键.
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