Human intelligence and the environment Noam Chomsky "Global Warming and The Common Good" By Noam Chomsky Issue #76 : Features http://isreview.org/issue/76/human-intelligence-and-environment The following speech was delivered by Noam Chomsky at the University of North Carolina, Chapel Hill, on September 30, 2010. "I’LL BEGIN with an interesting debate that took place some years ago between Carl Sagan, the well-known astrophysicist, and Ernst Mayr, the grand old man of American biology. They were debating the possibility of finding intelligent life elsewhere in the universe. And Sagan, speaking from the point of view of an astrophysicist, pointed out that there are innumerable planets just like ours. There is no reason they shouldn’t have developed intelligent life. Mayr, from the point of view of a biologist, argued that it’s very unlikely that we’ll find any. And his reason was, he said, we have exactly one example: Earth. So let’s t...