Of the first five US states with food waste bans, Massachusetts alone has reduced landfill waste

IF 44.7 1区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Science Pub Date : 2024-09-12 DOI:10.1126/science.adn4216
Fiorentia Zoi Anglou, Robert Evan Sanders, Ioannis Stamatopoulos
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Abstract

Diverting food waste from landfills is crucial to reduce emissions and meet Paris Agreement targets. Between 2014 and 2024, nine US states banned commercial waste generators—such as grocery chains—from landfilling food waste, expecting a 10 to 15% waste reduction. However, no evaluation of these bans exists. We compile a comprehensive waste dataset covering 36 US states between 1996 and 2019 to evaluate the first five implemented state-level bans. Contrary to policy-makers’ expectations, we can reject aggregate waste reductions higher than 3.2%, and we cannot reject a zero-null aggregate effect. Moreover, we cannot reject a zero-null effect for any other state except Massachusetts, which gradually achieved a 13.2% reduction. Our findings reveal the need to reassess food waste bans using Massachusetts as a benchmark for success.
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在美国首批颁布食物垃圾禁令的五个州中,仅马萨诸塞州就减少了垃圾填埋量
从垃圾填埋场转移厨余垃圾对于减少排放和实现《巴黎协定》目标至关重要。2014 年至 2024 年间,美国九个州禁止商业废物产生者(如连锁杂货店)填埋厨余垃圾,预计可减少 10%至 15%的废物。然而,目前还没有对这些禁令进行评估。我们汇编了 1996 年至 2019 年间涵盖美国 36 个州的综合垃圾数据集,对最初实施的五项州级禁令进行了评估。与政策制定者的预期相反,我们可以拒绝高于 3.2% 的废物减少总量,也不能拒绝零零总量效应。此外,除了马萨诸塞州逐步实现了 13.2% 的减排量之外,我们无法拒绝其他任何一个州的零无效效应。我们的研究结果表明,有必要以马萨诸塞州为成功基准,重新评估食物垃圾禁令。
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来源期刊
Science
Science 综合性期刊-综合性期刊
CiteScore
61.10
自引率
0.90%
发文量
0
审稿时长
2.1 months
期刊介绍: Science is a leading outlet for scientific news, commentary, and cutting-edge research. Through its print and online incarnations, Science reaches an estimated worldwide readership of more than one million. Science’s authorship is global too, and its articles consistently rank among the world's most cited research. Science serves as a forum for discussion of important issues related to the advancement of science by publishing material on which a consensus has been reached as well as including the presentation of minority or conflicting points of view. Accordingly, all articles published in Science—including editorials, news and comment, and book reviews—are signed and reflect the individual views of the authors and not official points of view adopted by AAAS or the institutions with which the authors are affiliated. Science seeks to publish those papers that are most influential in their fields or across fields and that will significantly advance scientific understanding. Selected papers should present novel and broadly important data, syntheses, or concepts. They should merit recognition by the wider scientific community and general public provided by publication in Science, beyond that provided by specialty journals. Science welcomes submissions from all fields of science and from any source. The editors are committed to the prompt evaluation and publication of submitted papers while upholding high standards that support reproducibility of published research. Science is published weekly; selected papers are published online ahead of print.
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