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

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

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

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

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

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

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 ...

Scattering sunlight, disrupting bees, damaging plant tissue - farmers can’t always offset the effects of smoky days ...

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.

According to Health Canada, an air purifier is one way to protect your indoor environment from wildfire smoke.