足迹工具向氮的可持续发展迈进

James N Galloway, Rachel E Michaels, Elizabeth A. Castner, E. Dukes, Jessica Fox, A. Leach
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引用次数: 0

摘要

由于我们面临着多重环境危机(如气候变化、营养物污染、淡水稀缺),一个实体的活动与该活动造成的污染之间往往存在脱节。足迹工具有助于解决这种脱节。足迹工具可以有效地教育人们、机构和社区,让他们了解资源的使用是如何造成环境污染的,以及我们可以做些什么来减少污染。这些工具将实体的活动与相关污染联系起来。足迹工具也在不断发展。随着我们更好地了解如何以最佳方式估算排放量,尤其是来自供应链等更远来源的排放量,计算足迹的指南和方法也在不断变化和改进。本文回顾了针对人类、机构和社区的足迹工具,重点是氮足迹工具。本文还举例说明了如何应用这些工具来减少污染。最后,本文评估了氮足迹和多元素足迹工具如何融入环境管理的整体主题,并讨论了它们的益处和局限性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Footprint tools tiptoeing towards nitrogen sustainability
As we face multiple environmental crises (e.g., climate change, nutrient pollution, freshwater scarcity), there is often a disconnect between an entity’s activities and the pollution resulting from that activity. Footprint tools help address this disconnect. Footprint tools are effective in educating people, institutions and communities on how their resource use results in environmental pollution and what we can do to moderate that pollution. These tools connect an entity’s activities with the associated pollution. Footprint tools are also constantly evolving. As we better understand how to best estimate emissions – especially from sources further removed like those from the supply chain – the guidance and methods for calculating footprints is changing and improving. This paper reviews footprint tools for people, institutions and communities, with a focus on nitrogen footprint tools. It also gives examples of how these tools have been applied to achieve pollution reductions. It concludes with an assessment of how nitrogen and multi-element footprint tools fit into the overall topic of environmental management and discusses their benefits and limitations.
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