Yale Environment 360, May 20, 2009
The earth’s climate has, of course, fluctuated frequently — and at times wildly — over hundreds of millions of years, long before humans began pouring heat-trapping gases into the atmosphere. So why the concern over the current surge of warming, brought about largely by human activity? Anthony Barnosky, a University of California, Berkeley, scientist who has studied previous eras of climate change, succinctly sums up the problem: Too much warming, too fast.
Continue reading “Previous Eras of Warming Hold Warnings for Our Age”
. He gazes into a fossiliferous crystal ball to get an idea of what global warming will do to the world’s biodiversity. Short answer: it won’t be pretty.