Possible but rare: Safe and just satisfaction of national human needs in terms of ecosystem services

Possible but rare: Safe and just satisfaction of national human needs in terms of ecosystem services
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可能但罕见:安全、公正地满足国家人类在生态系统服务方面的需求

DOI:
10.1016/j.oneear.2023.03.008
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发表时间:
2023
期刊:
影响因子:
16.2
通讯作者:
Bakshi, Bhavik R.
Bakshi, Bhavik R.
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Aleissa, Yazeed M.;Bakshi, Bhavik R.

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在不超出自然承载能力的情况下,为每个人提供足够的食物、能源和水,是人类面临的一项艰巨挑战。为此,我们需要知道每个国家的需求是否以环境安全和社会公正的方式得到满足。在这里,我们开发了一种生物物理方法来量化生态系统产品和服务。对于每个国家,我们量化了满足基本需求的最低温室气体排放量和用水量、这些流量的实际需求以及它们的生态系统提供这些服务的能力。我们发现,67%的国家在其安全、公正的供水空间内运作,但只有9%的国家在碳封存方面这样做,6%的国家在这两方面都这样做。一个安全、公正的空间并不存在,37%的空间用于固碳,10%的空间用于供水。我们的框架可以指导技术、政策和贸易决策,以安全和公正的方式满足基本需求。
Providing adequate food, energy, and water to everyone without exceeding nature's carrying capacity is a formidable challenge facing humanity. For this, we need to know whether each nation's needs are being met in an environmentally safe and socially just manner. Here, we develop a biophysical approach for such quantification in terms of ecosystem goods and services. For each nation, we quantify the minimum greenhouse gas emissions and water consumption to meet basic needs, the actual demand of these flows, and their ecosystems' capacities to provide these services. We find that 67% of nations are operating within their safe and just space for water provisioning but only 9% are doing so for carbon sequestration and 6% for both. A safe and just space does not exist for 37% for carbon sequestration and 10% for water provisioning. Our framework can guide technology, policy, and trade decisions for meeting basic needs in a safe and just manner.
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