Weather Network: The verdict is in, and as far as a new study goes, mankind, not climate change, is guilty of driving mammoths to extinction.
"We consistently find very large rates of extinction in areas where there had been no contact between wildlife and primitive human races, and which were suddenly confronted by fully developed modern humans," one of the study's authors, Jens-Christian Svenning of Aarhus University, told the Daily Mail. "In general, at least 30 per cent of the large species of animals disappeared...