Under A Green Sky 在线电子书 pdf 下载 txt下载 epub 下载 mobi 下载 2024

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Ward, Peter D 作者

译者

2008-4 出版日期

256 页数

118.00元价格

丛书系列

9780061137921 图书编码

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发表于2024-09-19

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Under A Green Sky 在线电子书 epub 下载 mobi 下载 pdf 下载 txt 下载 2024

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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 early part of this century a great battle was fought between those who thought that death had come from above and those who thought something more complicated was at work. Paleontologist Peter D. Ward, fresh from helping prove that an asteroid had killed the dinosaurs, turned to the Permian problem, and he has come to a stunning conclusion. In his investigations of the fates of several groups of mollusks during those extinctions and others, he discovered that the near-total devastation at the end of the Permian was caused by rising levels of carbon dioxide leading to climate change. But it's not the heat (nor the humidity) that's directly responsible for the extinctions, and the story of the discovery of what is responsible makes for an fascinating, globe-spanning adventure.

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