Image: New legacy: Genghis Khan's bloody conquests scrubbed 700million tons of carbon from the atmosphere as depopulated land returned to forestGenghis Khan The GREEN: Invader Killed So Many People That Carbon Levels Plummeted -- The Daily Mail
Genghis Khan has been branded the greenest invader in history - after his murderous conquests killed so many people that huge swathes of cultivated land returned to forest.
The Mongol leader, who established a vast empire between the 13th and 14th centuries, helped remove nearly 700million tons of carbon from the atmosphere, claims a new study.
The deaths of 40million people meant that large areas of cultivated land grew thick once again with trees, which absorb carbon dioxide from the atmosphere.
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My Comment: OK ..... but I would not recommend the route that he followed.