Permian-Triassic extinction: what happened?

The Permian-Triassic extinction event, known as the Great Death, was the most severe extinction event in Earth’s history, wiping out 90% of species. The event was caused by a supervolcano eruption that formed the Siberian Traps, which caused global cooling and disrupted Earth’s life. The mass release of methane clathrates from the world’s oceans caused […]

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