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Permian Period


Mega El Niños kicked off the world’s worst mass extinction

Mega El Niños kicked off the world’s worst mass extinction

For instance, today’s El Niño-Southern Oscillation — a periodic warming of the tropical Pacific Ocean that brings heat and aridity to northern North America, dampens the Atlantic hurricane season, and induces droughts and floods globally — lasts roughly a year (SN: 2/13/23).