The Paleocene-Eocene Thermal Maximum (PETM), a period of extremely rapid global warming which occurred 10 million years after the demise of the dinosaurs, was supposed to have been an ocean catastrophe...
Guest geology lesson by David Middleton PETM = Paleocene-Eocene Thermal Maximum Research ArticleTemporal Scaling of Carbon Emission and Accumulation Rates: Modern Anthropogenic Emissions Compared to Estimates of PETM Onset...