Did Native Americans contribute to global warming?
April 15, 2010 – Courtesy of Ohio University and World Science staff
Early Native Americans caused more carbon dioxide emissions than previously thought—and they thus contributed to global warming even before the industrial era began, a new study suggests.
The in dig e nous peo ples burned trees as part of for est-manage ment strategies that ultimately led wood lands to yield more of the nuts and fruit that the peoples ate in abundance, according to scientists. The re sult: emissions of carbon dioxide, one of the key heat-trapping gas es blamed by climatologists for global warming.
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