Under a green sky : global warming, the mass extinctions of the past, and what they mean for our future
Ward, Peter Douglas
Paper Book
By looking backward at the course of great extinctions, a paleontologist sees what the future holds. More than 200 million years ago, a cataclysmic event known as the Permian extinction destroyed more than 90 percent of all species and nearly 97 percent of all living things. Its origins...