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

The United States and Canada endured the planet’s biggest air pollution surge in 2023 — an upswing driven by the northern neighbor’s worst...

The United States and Canada endured the planet’s biggest air pollution surge in 2023 — an upswing driven by the northern neighbor’s worst...

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...

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

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

Wildfires release a "witches' brew" of pollutants that can wreck air quality even a continent away.

Wildfires release a "witches' brew" of pollutants that can wreck air quality even a continent away.