Is Earth a self-regulating organism? New study suggests our planet has a built-in climate control

The Permian–Triassic extinction event, also called The Great Dying, has certainly earned its nickname. It was the largest mass extinction in the geological record, wiping out between 83 and 97 percent of all species living on Earth. Although the exact cause is debated, extreme volcanic activity that perhaps cooked the planet has been fingered as the main culprit.

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