Global warming and mass extinction of life on Earth

XR Blog

By Zeeshan Hasan

underagreensky

Climate change is usually pictured in terms of rising sea levels and increased storm and drought; but science has revealed that it bears further threats. These previously unknown dangers of climate change are the focus of Peter D. Ward’s book, “Under a Green Sky: Global warming, the mass extinctions of the past, and what they can tell us about our future”. Ward is a professor of biology and earth and space sciences at the University of Washington at Seattle, and also works at Nasa. He is one of the biologists whose analysis of the fossil record has helped scientists understand what caused the numerous mass extinctions that have occurred during the history of life on earth.

The most famous of earlier mass extinctions was the one which wiped out the dinosaurs; thirty years ago, scientists confirmed it was the result of an asteroid hitting the earth…

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