TIL Genghis Khan killed an estimated 40 million people, resulting in a man-made climate change. The Mongol invasion effectively cooled the planet, scrubbing around 700 million tons of carbon from the atmosphere.

http://www.theguardian.com/theguardian/2011/jan/26/genghis-khan-eco-warrior?r=1



Submitted February 23, 2015 at 09:02AM by mbregg http://www.reddit.com/r/todayilearned/comments/2wu09s/til_genghis_khan_killed_an_estimated_40_million/