Under a green sky : global warming, the mass extinctions of the past, and what they mean for our future /

More than 200 million years ago, a cataclysm known as the Permian extinction destroyed nearly 97 percent of all living things. Its origins have long been a puzzle. Paleontologist Ward, fresh from helping prove that an asteroid had killed the dinosaurs, turned to the Permian problem, and he has come...

Full description

Bibliographic Details

Main Author:	Ward, Peter D. (Peter Douglas), 1949-
Format:	Book
Language:	English
Published:	New York : Smithsonian Books/Collins, 2007.
Edition:	1st Smithsonian Books ed.
Subjects:	Extinction (Biology) Paleoclimatology. Global warming.