"We were very conscious of what we were doing to the earth's atmosphere, and that we were inadvertently altering the climate of this planet," he says. "If we hadn't been tumping all this carbon dioxide and other greenhouse gases into the atmosphere, the scientific forecast for the planet was great climate for the next 50 thousand years."
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.
NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free here: https://startalkmedia.com/show/nuclear-winter-with-ann-druyan-and-brian-toon/
Photo Credit: United States Department of Energy, Public domain, via Wikimedia Commons
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