Peter Brannen is an award-winning science journalist with expertise in ocean science, deep time, astrobiology, and the carbon cycle. Peter walks Ross and Christophe through the five major mass extinctions in Earth’s history, discussing what events triggered each extinction and how plant and animal life changed each time.--- Send in a voice message: https://podcasters.spotify.com/pod/show/reversingclimatechange/messageSupport this podcast: https://podcasters.spotify.com/pod/show/reversingclimatechange/support