Scientists reveal the wild history of Earth’s CO2 since the dinosaurs died #rwanda #RwOT ##VS魂 - MrLiambi's blog

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Thursday, 10 June 2021

Scientists reveal the wild history of Earth’s CO2 since the dinosaurs died #rwanda #RwOT ##VS魂

Scientists reveal the wild history of Earth’s CO2 since the dinosaurs died

Climate 101 is a Mashable series that answers provoking and salient questions about Earth’s warming climate.  


Big snakes, alligators, giant tortoises, and flying lemurs thrived in a balmy Arctic some 50 million years ago. It was a time when the potent greenhouse gas carbon dioxide had spiked in Earth's atmosphere, making the high polar regions downright tropical. 

Scientists who investigate past climates, called paleoclimatologists, have collected bounties of evidence that CO2 has long been a dominant lever of Earth's temperature. The evidence exists in chemicals stored in fossils, which indicate how much CO2 once saturated the atmosphere. Now, paleoclimate researchers have published the most comprehensive history to date of Earth's past CO2, starting after the dinosaurs went extinct some 66 million years ago (likely from an asteroid impact). The research, showing the strongest link yet between past CO2 levels and global temperatures, was recently published Read more...

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