Planetary Hygiene
Brian and Carl discuss the potential downfall of civilizations due to self-destruction, focusing on Carl's concern about nuclear weapons leading to the demise of advanced societies. Carl's perspective on the fate of Earth and the need for planetary hygiene to prevent catastrophic outcomes are highlighted in this thought-provoking conversation.In this clip
From this podcast
StarTalk Radio
Nuclear Winter, Carl Sagan, & The Drake Equation with Neil deGrasse Tyson, Ann Druyan, & Brian Toon
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