A researcher from the University of Saskatchewan is looking into how wildfires are impacting bird physiology during migration ...

A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days ...

Douglas McIntyre, Editor-in-Chief at Climate Crisis 24/7, reports on diplomatic tensions between the U.S. and Canada over ...

Six members of Congress from Wisconsin and Minnesota have asked Canada to say how it plans to tackle the blazes and reduce ...

Wildfire smoke degrades air quality in swaths of Ontario, with Toronto ranking among the worst in the world on Monday.

Wildfire smoke is a serious issue. While research into the varied impacts is in its relative infancy, recent investigations ...

As we head into a sizzling week across Washington, we look at smoke conditions and air quality across the state impacted by ...

Toronto and the GTA are under a heat wave and poor air quality warning issued by Environment Canada on July 14, 2025, due to ...

There were 118 active wildfires burning across Manitoba as of Thursday, with Saskatchewan reporting 48 active wildfires as ...

Western winds have pushed smoke plumes from Prairie wildfires toward Quebec and Ontario, including Toronto and the GTA ...

Smoke from wildfires in Canada and Idaho barreled into Montana on Monday afternoon, rapidly degrading air quality across the Flathead Valley ahead of a major shift to cold and wet weather. Monitoring ...

The politicians say their constituents are "limited in their ability to go outside" because of the air quality.