Renowned evolutionary biologist Richard Leakey predicts a dark future

In his life, Richard Leakey has been both a politician and ecologist; the son of famous anthropologists Louis and Mary Leakey, he's also an evolutionary biologist who invented the term "the sixth extinction" to describe the coming environmental catastrophe. And now he's ruffling feathers by predicting a dark future for… » 5/28/12 11:49am 5/28/12 11:49am