Southwestern North America’s 22-year ‘Megadrought’ Region’s Driest Since Year 800; Climate Change Quickening Soil Moisture Deficit
The drought that has enveloped southwestern North America for the past 22 years is the region’s driest “megadrought” — defined as a drought lasting two decades or longer — since at least the year 800, according to a new UCLA-led study in the journal Nature Climate Change.
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