Brian Toon on Nuclear Winter, Asteroids, Volcanoes, and the Future of Humanity

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Brian Toon joins us to discuss the risk of nuclear winter. Learn more about Brian's work: https://lasp.colorado.edu/home/people/brian-toon/ Read Brian's publications: https://airbornescience.nasa.gov/person/Brian_Toon Timestamps: 00:00 Introduction 01:02 Asteroid impacts 04:20 The discovery of nuclear winter 13:56 Comparing volcanoes and asteroids to nuclear weapons 19:42 How did life survive the asteroid impact 65 million years ago? 25:05 How humanity could go extinct 29:46 Nuclear weapons as a great filter 34:32 Nuclear winter and food production 40:58 The psychology of nuclear threat 43:56 Geoengineering to prevent nuclear winter 46:49 Will humanity avoid nuclear winter?

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