10 Most Disturbing Stories In History
In the 13th century, Genghis Khan killed so many peasants that the carbon dioxide levels in the atmosphere were significantly reduced as a result. During his 21-year reign, Genghis Khan’s destructive armies were responsible for the deaths of up to 40 million people. While his intentions for the massacres were anything but pure, with nobody left to farm the lands owned by the peasants they were eventually allowed to grow back into carbon-absorbing forests. It’s estimated that 700m tonnes of carbon were wiped from the atmosphere – around the same amount of carbon dioxide generated in a year through global petrol consumption!