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NASA Goddard
@NASAGoddard
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가입 February 2009
144 팔로잉 중    931.5K
Even from afar, wildfires are creating unhealthy air. A NASA-supported study found wildfires have worsened ground-level ozone, or smog, across the U.S., with larger changes in the West and Midwest. Wildfires can increase surface ozone thousands of miles away from active fires.
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