Canadian wildfires are causing poor air quality across the northern United States. Air quality in the Northeast is expected to worsen before improving later in the week. Hundreds of wildfires remain ...

Wildfires are scorching large areas of Canada's British Columbia and Northwest Territories, sending plumes of smoke billowing across the northwestern U.S. states. NASA maps show the extent of the ...

Canadians are projected to face another severe wildfire season due to rising temperatures and dry conditions across the country. More than four million hectares have burned in Canada this season and ...