Isaac Asimov on the Greenhouse Effect: 1977

Why is it called the greenhouse effect? Broadcast Date: May 21, 1977 What does the greenhouse effect have to do with a greenhouse? And how does it work? In this 1977 clip from CBC Radio's Quirks and Quarks, popular science author Isaac Asimov tells us all about the greenhouse effect and how it could be warming up the Earth. He also explains why we should care. "This greenhouse effect can be very serious," says Asimov, "and it's something that we have to take into account." http://archives.cbc.ca/environment/climate_change/clips/14647/