Canada’s record-breaking 2023 wildfire season led to a spike in air pollution in the country and in the US, erasing recent progress in cleaning up...

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...

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...

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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....

WINNIPEG — Some trappers are expecting "catastrophic losses" to their food and financial security this year, as Canada's second-worst wildfire...