Environment
US megadrought could upend life as we know it 鈥� just look to history
We don't know exactly how the current megadrought in south-western North America will end, but there are examples to learn from throughout history 聽
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We don't know exactly how the current megadrought in south-western North America will end, but there are examples to learn from throughout history 聽
Megadroughts are exceptionally severe, long-lasting or widespread relative to normally occurring dry stretches