Global Cooling Occurred 34 Million Years Ago Because of Drop in Greenhouse Gas

How can we apply this research to current day climate concerns?

via Smithsonian

Marine geologic records show that before 34 million years ago Earth was in a balmy greenhouse state. There were no icesheets or glaciers on any continents. Then, there was a sudden cooling.

“Geologically speaking, it happened pretty fast. Antarctica hadn’t been glacial before that for a very long time,” said David Naafs, an organic geochemist at the University of Bristol’s Organic Geochemistry Unit and co-author of the paper.

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