National parks being hit hard by nitrogen-based air pollution – NBCNews.com


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National parks being hit hard by nitrogen-based air pollution
NBCNews.com
Of the 45 U.S. parks the research team studied, 38 were blanketed with high levels of nitrogen-based air pollution from power plants, car exhaust and industrial agriculture, according to the study, which was published in the journal Atmospheric
US Parks Accidentally Fertilized By Air PollutionDiscovery News
Nutrient pollution threatens national park ecosystems, study saysLos Angeles Times
Agriculture Pollution Bad News For US National ParksHeadlines & Global News

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