Carl Sagan testifying before Congress in 1985 on climate change.
I had to some time to **** before dinner, and remember that I wanted to check this out. VERY informative! His .. forecast of China sure was accurate! I've read articles on carbon warming / greenhouse effect, off-and-on. One thing we could do to .. slow it down, would be to plant more trees. And/or, stop cutting down the rain forest in South America.