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公共政策干预对环境可持续食品消费的影响:可用证据的系统地图
Ylva Ran1, Pierre Van Rysselberge2, Biljana Macura3
1Department of Energy and Technology, Swedish University of Agricultural Sciences, 750 07, Uppsala, Sweden. ylva.ran@slu.se.
Environmental evidence
|September 18, 2024
概括
公共政策可以鼓励可持续的食品消费,但研究需要超越实验室环境. 全球需要更多的现实研究,以了解政策对环境可持续性的影响.
科学领域:
- 环境科学 环境科学
- 食品科学 食品科学 食品科学
- 公共政策 公共政策
背景情况:
- 全球粮食系统严重损害环境,迫使人们转向可持续消费.
- 政策干预对于推动可持续食品选择至关重要,但其有效性尚未完全理解.
- 缺乏关于可持续食品消费的公共政策的综合证据.
研究的目的:
- 系统地绘制和分类现有关于公共政策干预可持续食品消费的研究证据.
- 为了回答主要的研究问题:关于公共政策干预对实现环境可持续食品消费的影响,有哪些证据?
主要方法:
- 在多个数据库和灰色文献来源中进行了广泛的文献搜索.
- 在标题/摘要和全文级别选记录,使用机器学习进行优先选.
- 收集和分类研究特征,干预类型和结果的数据,将证据分类为干预类型和子类别.
主要成果:
- 证据库包括227篇文章,主要来自高收入国家 (92%).
- 基于信息的干预措施,特别是标签 (50%) 是最常见的,其次是基于市场的 (13%) 和行政 (<1%) 的干预措施.
- 大多数研究使用环境影响 (85%) 和声明偏好 (61%) 的代理来评估干预措施,经常检查动物来源的食品消费.
结论:
- 目前关于可持续食品政策的研究主要由标签和信息宣传活动等非侵入性工具主导.
- 有关可持续粮食政策的现实世界研究非常需要,需要公私利益相关方的合作.
- 未来的研究应该在全球范围内扩展,特别是在欧洲和北美以外,并增加对大规模,多学科影响评估的资金.
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