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

Smoke from Canadian wildfires again plagued portions of the northern United States on July 16, prompting air quality alerts from Illinois to Maine.

In 2023 and 2024, the hottest years on record, more than 78 million acres of forests burned around the globe. The fires sent ...

Canada's premiers arrived in Ontario cottage country on Monday eager to discuss Canada's ongoing trade crisis with the United ...

Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

The 2026 World Cup being hosted by Canada, Mexico and the United States is less than a year away and FIFA's protocols for ...

A growing body of research shows the cascading health impacts of wildfire smoke, from cognitive decline to heart issues.

A trio of some of the most endangered birds in the world were relocated from their home in the Vermillion Cliffs of Arizona ...

Over 100 large fires are currently burning across the U.S. in multiple states and 13.8 million acres have burned in Canada ...