Nuclear Winter with Ann Druyan and Brian Toon

Are advanced civilizations doomed to destroy themselves? Neil deGrasse Tyson and Chuck Nice explore the Cold War, The Drake Equation, and nuclear winter hypothesis with producer of Cosmos and Carl Sagan’s widow Ann Druyan and atmospheric scientist Brian Toon.   Originally Aired August 8, 2022. NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:  https://startalkmedia.com/show/nuclear-winter-with-ann-druyan-and-brian-toon/ Subscribe to SiriusXM Podcasts+ to listen to new episodes of StarTalk Radio ad-free and a whole week early. Start a free trial now on Apple Podcasts or by visiting siriusxm.com/podcastsplus.