Carl Sagan's Climate Change Warning: Lessons Over 35 Years

from Aperture: The Universe and Human Condition · host Aperture: The Universe and Human Condition

In 1985, the esteemed astrophysicist Carl Sagan addressed the U.S. Congress, highlighting the urgent threat of climate change and the greenhouse effect. Have we made progress since his insightful warning over 35 years ago? #CarlSagan #climatechange #greenhouseeffect #astrophysicist #U.S.Congress See show notes: https://inlet.fm/aperture/episodes/67281c935d85c1e1ca7cbbd8 Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episode metadata supplied by the publisher feed · Published Jun 22, 2026

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Carl Sagan's Climate Change Warning: Lessons Over 35 Years

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