Paleocene–Eocene Thermal Maximum (PETM)

Concept

rapid (in geological terms) global warming, profound changes in ecosystems, and major perturbations in the carbon cycle which started about 55.0 million years ago

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Videos Mentioning Paleocene–Eocene Thermal Maximum (PETM)

What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

PBS Space Time

The first and largest hyperthermal event in the Eocene, believed to be caused by massive volcanic activity intruding into fossil fuel beds.