US air quality is slipping after years of improvement
07 August 2020
US air quality is slipping after years of improvement
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Over the last two years the nation had more polluted air days than just a few years earlier, federal data shows. While it remains unclear whether this is the beginning of a trend, health experts say it's troubling to see air quality progress stagnate….
About 100,000 Americans each year die prematurely because of polluted air, studies show.
Published: BY SETH BORENSTEIN and NICKY FORSTER Associated Press, Jun 18, 2019