Northern wildfires can reshape climate for years, sometimes cooling the planet but also releasing carbon from thawing permafrost.

Add Yahoo as a preferred source to see more of our stories on Google. A wildfire burns south of Pimicikamak Cree Nation in Manitoba in May 2023, illustrating the growing impact of large fires ...

Currently, much of Canada and B.C. are experiencing ongoing dryness and drought, Mike Flannigan, a research chair in predictive services, emergency management and fire science at Thompson Rivers ...

As deadly wildfires raged in the Canadian province of Manitoba this summer, Republican lawmakers in nearby US states penned letters asking that Canada be held accountable for the smoke drifting south.

A day after Minnesota dealt with the worst air quality in the United States due to the smoke from Canadian wildfires, meteorologists predict that the smoke is now expected to return to New York.

The smoke is forecast to dissipate over the weekend. Millions of Americans are on alert for unhealthy air quality as smoke from wildfires in neighboring Canada drifts to the United States. Wildfires ...

The study found that permafrost can thaw during intense wildfires in Alaska and Canada, which contributes to a warming ...

Wildfires in the Canadian province of Alberta continue to spread despite rain and falling temperatures, authorities said on Sunday. More than 375,000 hectares of land in Alberta have now burned and ...

Canada's worst wildfire season yet is continuing to spew smoke across the U.S., affecting air quality for 20 states Monday. Smoke drifted through the Northeast and Midwest to start the week, ...

Intense Canadian wildfires are blanketing the northeastern U.S. in a dystopian haze, turning the air acrid, the sky yellowish gray and prompting warnings for vulnerable populations to stay inside. The ...

Wildfires burning in Canada this summer impacted air quality in Wisconsin. Air quality in the greater Milwaukee area has been getting worse in recent years, according to the American Lung ...