Towards net-zero phosphorus cities

Towards net-zero phosphorus cities
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DOI:
10.1038/s42949-022-00076-8
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发表时间:
2022-11
期刊:
npj Urban Sustainability
影响因子:
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通讯作者:
G. Metson;W. Brownlie;B. Spears
G. Metson;W. Brownlie;B. Spears
中科院分区:
其他
文献类型:
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作者:
G. Metson;W. Brownlie;B. Spears

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城市是改善全球自然资源管理的核心。与其为每一个相互关联的可持续发展优先事项重新发明轮子,我们建议与现有的净零碳倡议协同合作,并从中学习,以明确解决另一个重要元素:磷。为了实现净零磷,参与者必须共同努力(1)最大限度地减少从城市流出的损失,(2)最大限度地提高从城市到农田的回收流量,以及(3)最大限度地减少粮食生产对磷的需求。
Cities are central to improving natural resource management globally. Instead of reinventing the wheel for each interlinked sustainability priority, we suggest synergising with, and learning from existing net-zero carbon initiatives to explicitly tackle another vital element: phosphorus. To achieve net-zero phosphorus actors must work together to (1) minimise loss flows out of the city, (2) maximise recycling flows from the city to agricultural lands, and (3) minimise the need for phosphorus in food production.