Smoke from wildfires in the Prairies is causing poor air quality and reduced visibility in the Hamilton-Niagara area and much ...

This is the second-most severe wildfire season in Canadian history, after 2023, with 15 million acres burned so far.

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

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 ...

Some good news The circumstances that led to the smoky chaos of 2023 were unique. Canada didn't just break its wildfire records that year, it obliterated them. Nearly 58,000 square miles of the ...

This story was originally published by Grist. Sign up for Grist’s weekly newsletter here. More than 200 wildfires are blazing across central and western Canada, half of which are out of control ...

As Canada’s wildfire smoke creeps down into the U.S., it’s also transforming. Chemical reactions between gases and sunlight create ozone, which further exacerbates lung conditions like asthma.

Wisconsin is currently at low risk for wildfires, and the DNR is sending firefighters to help other states and Canada manage ...