Posted at Alternet.org on Nov. 26, 2013
The 'Ticking Time Bomb' That Could Cause Such Rapid Global Warming We'd Be Unable to Prevent Extinction
If, 250 million years ago, you were standing thousands of miles away from what is now Siberia in the first years of the Permian Mass Extension, probably the most you would notice is an odd change in the weather and a reddish hue in the northern sky.