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October 5, 2018

No free lunch: Study shows wind power also warms U.S.

  • Past studies have observed a temporary nighttime warming of as much as 2 degrees in places with lots of wind turbines.
    AP Science Writer

    WASHINGTON — Ramping up wind power in America would also dial up the nation's temperatures, a new study out of Harvard found.

    While wind energy is widely celebrated as environmentally friendly, the researchers concluded that a dramatic, all-out expansion in the number of turbines could warm the country even more than climate change from burning coal and other fossil fuels, because of the way the spinning blades disturb the layers of warm and cold air in the atmosphere.

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