|Posted by arleneteng on February 23, 2011 at 12:26 AM|
A new view on the Permian Extinction.
Strangling heat and gases emanating from the earth and sea, not asteroids, most likely caused several ancient mass extinctions. Could the same killer-greenhouse conditions build once again?
By Peter D. Ward |September 18, 2006 | Scientific American
Categories: Nat Sci 3