Your Air Isn’t Getting as Clean as the EPA Said It Is

This article discusses the air you breathe.

Your air isn’t getting as clean as the government has been telling you, according a report published Monday in the Proceedings of the National Academy of Sciences.

After decades of gains in cutting U.S. air pollution, progress unexpectedly stalled in 2011. After that, levels of nitrogen oxides in the air declined by 1.7 percent annually through 2015, according to the report, a sharp contrast to previously published Environmental Protection Agency data that estimated the decrease at 5.3 percent a year

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