Periods of extreme drought may be a normal part of global climate patterns, but rising temperatures may now be changing some regional climates forever


October 28, 2022

“Ring in the bathtub” mineral deposits are visible due to extremely low water levels in New Mexico’s Elephant Butte Reservoir

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Extremely severe and prolonged droughts – or megadroughts – have wreaked havoc on human societies for thousands of years. A major drought in northern China between 1627 and 1643, for example, caused a famine that killed an estimated 20 million people and may have sparked a rebellion that overthrew the Ming dynasty.