Wildfires are reversing decades of clean air standards in Canada and the U.S., according to new data....

Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to record-breaking, climate-supercharged...

Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to record-breaking, climate-supercharged...

Global air pollution is worsening, with the United States and Canada experiencing the sharpest increases due to record-breaking, climate-supercharged...

A new report released today found that, while globally air pollution levels were somewhat flat, Canada experienced its worst pollution since 1998,...

A new report released today found that, while globally air pollution levels were somewhat flat, Canada experienced its worst pollution since 1998,...

The record-setting wildfires that swept through Greece, Cyprus, and Turkey this summer were fueled by conditions made significantly worse by climate...

The record-setting wildfires that swept through Greece, Cyprus, and Turkey this summer were fueled by conditions made significantly worse by climate...

Archived image of wildfires in Greece. Credit: Felton Davis. CC BY 2.0/flickr The record-setting wildfires that swept through Greece, Cyprus, and...

Archived image of wildfires in Greece. Credit: Felton Davis. CC BY 2.0/flickr The record-setting wildfires that swept through Greece, Cyprus, and...