Book ☆ Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our Future 256 pages

Peter D. Ward  Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our Future Doc

Book ☆ Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our Future 256 pages ↠ By looking backward at the course of great extinctions a paleontologist sees what the future holdsMore than 200 million yearThe discovery of what is responsible makes for a fascinating globe spanning adventureIn Under a Green Sky Ward explains how the Permian extinction as well as four others happened and describes the freakish oceans belching poisonous gas and sky slightly green and always hazy that would have attended them Those ancient upheavals demonstrate that the threat of climate change cannot be ignored lest the world's life today ourselves included face the same dire fate that has overwhelmed our planet several times before Hard to argue against

Pdf ↠ Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our Future  Peter D. Ward

Ontologist 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 that extinction and others he discovered that the near total devastation at the end of the Permian period 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 There's a lot of good science in this book about past extinction events

Mobi Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our Future

Under a Green Sky Global Warming the Mass Extinctions of the Past and What They Can Tell Us About Our FutureBy looking backward at the course of great extinctions a paleontologist sees what the future holdsMore than 200 million years ago a cataclysmic event known as the Permian extinction destroyed than 90 percent of all species and nearly 97 percent of all living things Its origins have long been a puzzle for paleontologists 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 complicated was at workPale Fantastic book by great paleontologist and mass extinction specialist P