A Step Backward: Wildfires Undo 20 Years of Air Quality Progress in Western U.S. - SciTechDaily

12/7/2023

A Step Backward: Wildfires Undo 20 Years of Air Quality Progress in Western U.S.  SciTechDailyAir quality had gotten better in parts of the U.S. — but wildfire smoke is reversing those improvements, researchers say  CBS NewsWildfire smoke threatens to undo improvements on air pollution, study finds  Salon...

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