In this episode, Coleman and Nathaniel speak with Luke Kemp and Catherine Rhodes, about the two researchers' views on governing existential threats within our international system. The four also discuss some of the leading challenges to effective international cooperation and mitigation of pressing threats facing our world like climate change, advanced technological threats, biosecurity, and inequality.  Support 21st Talks on Patreon!  --- Support this podcast: https://podcasters.spotify.com/pod/show/onwhatmatters/support