EnvironmentUS megadrought could upend life as we know it – 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 51¶¯Âþ
EnvironmentWhat is megadrought? How scientists define extreme water shortages Megadroughts are exceptionally severe, long-lasting or widespread relative to normally occurring dry stretches 51¶¯Âþ