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  • RESEARCH HIGHLIGHT

Climate warming leaves the US Southwest high and dry

Humidity on summer days has declined since 1950, threatening water supplies and increasing the risk of wildfires.
Men fill a cooler with water at a heat relief station in Phoenix, Arizona

In places like Arizona, heat-relief stations are set up to help keep people hydrated during periods of extreme heat. Credit: Caitlin O’Hara/Getty

It isn’t just getting hotter in the US Southwest — the region’s climate is also getting drier.

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Nature 595, 10 (2021)

doi: https://doi.org/10.1038/d41586-021-01660-1

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