Under a Green Sky: Global Warming, the Mass Extinctions of the Past, and What They Can Tell Us about Our Future by Peter D. Ward

Under a Green Sky: Global Warming, the Mass Extinctions of the Past, and What They Can Tell Us about Our Future

Peter D. Ward

242 pages first pub 2007 (editions)

nonfiction science challenging informative reflective slow-paced
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More than 200 million years ago, a cataclysmic event known as the Permian extinction destroyed more than 90% of all species and nearly 97% of all living things. Its origins have long been a puzzle for paleontologists, and during the 1990s and the ...

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