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October 4, 2018 07:20 pm

Wide-Scale US Wind Power Could Cause Significant Warming, Study Says

XxtraLarGe shares a report: Wind power is booming in the United States. It's expanded 35-fold since 2000 and now provides 8% of the nation's electricity. The US Department of Energy expects wind turbine capacity to more than quadruple again by 2050. But a new study by a pair of Harvard researchers finds that a high amount of wind power could mean more climate warming, at least regionally and in the immediate decades ahead. The paper raises serious questions about just how much the United States or other nations should look to wind power to clean up electricity systems. The study, published in the journal Joule, found that if wind power supplied all US electricity demands, it would warm the surface of the continental United States by 0.24 C. That could significantly exceed the reduction in US warming achieved by decarbonizing the nation's electricity sector this century, which would be around 0.1 C. "If your perspective is the next 10 years, wind power actually has -- in some respects -- more climate impact than coal or gas," coauthor David Keith, a professor of applied physics and public policy at Harvard, said in a statement. "If your perspective is the next thousand years, then wind power is enormously cleaner than coal or gas."

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