Canada’s air quality was worse than the United States in 2025, thanks to a record-breaking wildfire season last summer, ...

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 ...

Picture this: You've planned the perfect summer barbecue, the grill is fired up, and then you look outside to see a thick haze hanging in the air like an unwelcome guest. For millions of Americans ...

Fire WE025 started small. But in late May, hot and dry conditions and gusty winds whipped it into an out-of-control inferno. Over 116 days, it swept across northwestern Manitoba, chewing up 447,000 ...

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, ...

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 ...

Wildfire smoke helped counter extreme heat, benefitting this year's canola crop High temperatures and scorching sun can devastate growing season More research is needed on smoke's impacts on crops, ...

In this Aug. 17, 2023, file photo, the McDougall Creek wildfire burns in the hills West Kelowna, British Columbia, Canada. automation Boreal forests in regions all over the world have been ...

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 ...

The intensity of Canada's raging wildfires have generated record levels of carbon emissions, the EU's climate monitor said Thursday. Europe's Copernicus Atmosphere Monitoring Service (CAMS) found that ...

Dozens of wildfires have been triggered by thunderstorms in northern Alberta, Canada, potentially threatening the oil sands capital of Fort McMurray and oil production facilities. Alberta's fire ...