Contact: William Bowman
University of Colorado at Boulder
Caption: Isabel Ashton, left, a former a postdoctoral researcher at the University of California Irvine (left), and former CU-Boulder undergraduate and John Murgel analyze vegetation changes caused by atmospheric nitrogen pollution in Rocky Mountain National Park's high alpine meadows as part of a study led by CU-Boulder.
Credit: William Bowman, University of Colorado
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Related news release: Nitrogen pollution changing Rocky Mountain National Park vegetation, says CU-Boulder-led study