Mass Extinctions since the Cambrian Period (540 million years ago)

The perp in the greatest mass extinction on earth? Methane

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A “methane bomb” killed the climate & caused the Great Dying mass extinction. Guess what’s melting in the Arctic?
Temperatures in the U.S. at 1000 ppm CO2.

Global Warming: We are halfway to a mass extinction event

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If global warming approaches 3°C by the end of the century 21-52% of the species on Earth might become extinct.
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