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Carl Sagan testifying before Congress in 1985 on climate change [video]

• deleted 2y ago
  [deleted]
• glimshe 2y ago
  Carl Sagan was among the clearest science speakers ever. I miss him. I watch the old Cosmos every few years.
• anonymousiam 2y ago
  See also: https://www.youtube.com/watch?v=1Ox8fqPCbMM https://www.youtube.com/watch?v=1Ox8fqPCbMM