Researchers compiled a composite index of "water threats" that includes issues such as scarcity and pollution.

研究人员编制了“水威胁”综合指数，其中包括水短缺和污染之类的问题。

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We need to abandon the water stress index as a way of defining water scarcity and insecurity in Sub-Saharan Africa, as it fundamentally misrepresents current and future water crises in the region.

我们需要放弃作为撒哈拉非洲以南地区的缺水和水不安全定义方式的水胁迫指数，因为它在根本上扭曲了该地区当前和未来的水危机。

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