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'Mega' El Niño may have fueled Earth's biggest mass extinction

Live Science
Summary
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77% Informative

The worst mass extinction in Earth 's history may have been caused by a supercharged El Niño cycle.

90% of species on Earth died around 250 million years ago , at the end of the Permian period.

An overload of carbon dioxide in the atmosphere led to the climatic shift.

The finding has implications for modern climate science.