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Did Christopher Columbus trigger an Ice Age

New research suggests that by sailing to the New World, Chrisotpher Columbus and the explorers that followed him may have triggered climate cooling in Europe.

The European conquest of the Americas decimated the people living there, leaving large areas of cleared land untended. Trees that filled in this territory pulled billions of tons of carbon dioxide from the atmosphere, Stanford University geochemist Richard Nevle reported October 11 at the Geological Society of America annual meeting. Such carbon dioxide removal could have diminished the heat-trapping capacity of the atmosphere and cooled the climate, Nevil and his colleagues have previously reported.

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Story: Devin Powell, ScienceNews | Photo: Wikimedia Commons

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