After years of improvement, US air quality has gotten worse since 2016, report suggests

Researchers identified three possible contributing factors: more wildfires, more economic growth and less enforcement of federal regulations.

      


from USATODAY - News Top Stories https://ift.tt/34oGB1n
After years of improvement, US air quality has gotten worse since 2016, report suggests After years of improvement, US air quality has gotten worse since 2016, report suggests Reviewed by Qamar javed on November 01, 2019 Rating: 5

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