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 ...

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 ...

Over 87,000 premature deaths worldwide can be traced to the impact of Canada's explosive 2023 wildfire season, new research estimates. Fires burned 71,043 square miles (18.4 million hectares) of ...

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.

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 ...

Hundreds of wildfires burning in Canada are undermining U.S. air quality across the Upper Midwest and Northeast, making skies hazy from Detroit to New York City and even prompting a ground stop at ...

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, ...

Air quality in the Upper Midwest region of the U.S. dropped to harmful levels in cities like Chicago and elsewhere in the Great Lakes region, as harmful smoke from persistent wildfires in Canada ...

At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian Interagency Forest Fire Centre. Hundreds of wildfires still burning in Canada are ...

More than 100 million Americans from Iowa to Maine started Thursday under air quality alerts as wildfire smoke from Canada continues to drift into the U.S. The worst air quality was reported in a ...