This article discusses how hot the earth has been over the last 500 million years using permafrost as a means of determining the global temperature across the m

This article discusses how hot the earth has been over the last 500 million years using permafrost as a means of determining the global temperature across the millennia https://www.climate.gov/news-features/climate-qa/whats-hottest-earths-ever-been#:~:text=Even%20after%20those%20first%20scorching,and%20250%20million%20years%20ago https://www.climate.gov/news-features/climate-qa/whats-hotte....