carlsagandotcom | Carl Sagan testifying before Congress in 1985 on climate change @carlsagandotcom | Uploaded August 2021 | Updated October 2024, 1 hour ago.
Original source: c-span.org/video/?125856-1/greenhouse-effect

DECEMBER 10, 1985

“Witnesses testified on how the greenhouse effect will change the global climate system and possible solutions.”

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