Genghis Khan did it, but Black Plague couldn't
Tuesday, February 8, 2011 - 15:30
in Earth & Climate
The Mongol invasion of Asia in the 1200s took enough carbon dioxide out of the atmosphere to offset a year's worth of the world's gasoline demand today, according to a new study. But even Genghis Khan couldn't create more than a blip in atmospheric carbon compared to the overwhelming effect of agriculture.
