The baseless arson claims continue to gain traction, even with lawmakers from the United States. Multiple Republican lawmakers from Wisconsin and Minnesota recently continued the arson blame game and accused Canada of having poor forest management, saying their constituents are suffering because of it. The letter made no mention of climate change.

Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into the U.S. again. The pace of the 2025 fires is reminiscent of the record-breaking 2023 wildfire season,

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

It’s not uncommon for nasty winter and summer weather to disrupt flight schedules and other operations at Canada’s biggest and busiest airport, but officials at Toronto Pearson Airport in Mississauga say a relatively new threat has also emerged.

A group of Republican lawmakers has complained that smoke from Canadian wildfires is ruining summer for Americans, just days after voting for a major bill that will cause more of the planet-heating pollution that is worsening wildfires.

A new government model to estimate peatland emissions and their impact on climate change could provide a new perspective on the problem — and spark new discussions about solutions.

A Hazardous Weather Outlook is also in effect across the region. The National Weather Service issued the outlook because of smoke blanketing Wisconsin amid Canadian wildfires in Manitoba and Ontario. The smoke is being transported south by wind patterns, leading to air quality alerts and advisories across the state.