Friday, October 19, 2012

Humans are flirting with anoxia and mass extinction

The Great Warming Extinction was Even More Deadly Than Believed « Climate Denial Crock of the Week: "Life about 250 million years ago was hard to come by. In fact, it was nearly non-existent. Scientists, studying why this period, known as the end-Permian event, lasted so long and have found a key ingredient: heat."

'via Blog this'