Virtually every mass extinction in the history of the planet we now think was caused by climate change caused by CO2. The K-T asteroid impact that killed the di

Virtually every mass extinction in the history of the planet we now think was caused by climate change caused by CO2. The K-T asteroid impact that killed the dinosaurs is the outlier. The worst in history, the P-T extinction that nearly wiped out all complex life, happened after a volcano in siberia flowed into a coal bed. We're currently releasing CO2 10x faster than that. https://www.nytimes.com/2018/12/07/science/climate-change-mass-extinction.html https://www.nytimes.com/2018/12/07/science/climate-change-ma...