Isaac Asimov on the Greenhouse Effect

This video is part of a longer presentation at the Humanist Institute in New York in 1989, and it demonstrates yet again that the broad outlines of the climate change story have been understood for decades by, well, intelligent men who are guided by science.
It’s been a recurring theme in this series – that the science was essentially complete long before Al Gore, long before the IPCC, long before the Hockey Stick.

Whole talk here:
http://www.ubcome.com/Savethebiosphere.htm
Isaac Asimov Radio Interview on the Greenhouse Effect: 1977