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European colonization of Americas killed so many it cooled Earth’s climate

Source: The Guardian

Research finds killing of native people indirectly contributed to a colder period by causing deaths of around 56 million by 1600

European colonization of the Americas resulted in the killing of so many native people that it transformed the environment and caused the Earth’s climate to cool down, new research has found.

Settlers killed off huge numbers of people in conflicts and also by spreading disease, which reduced the indigenous population by 90% in the century following Christopher Columbus’s initial journey to the Americas and Caribbean in 1492. read more

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