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

3 comments

• glimshe 4 hours ago

  Carl Sagan was among the clearest science speakers ever. I miss him. I watch the old Cosmos every few years.

• anonymousiam an hour ago

  See also: https://www.youtube.com/watch?v=1Ox8fqPCbMM

• 5 hours ago
  [deleted]