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Wildfires are making US smoggy again, reversing progress on cleaner air, study finds

ABC NEWS·2h ago·3 min read
Photograph via ABC News
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A new study finds that smoke from larger wildfires is reversing more than a decade of American improvements in smog

A new study finds that smoke from larger wildfires is reversing more than a decade of American improvements in smog

A new study finds that smoke from larger wildfires is reversing more than a decade of American improvements in smog

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