As North America battles one of its most destructive wildfire seasons, with more than 40,000 blazes scorching nearly 3 million acres in the US and over 5.5 million acres in Canada as of July 2025, a ...

We now live in the Pyrocene, a proposed new geologic epoch of high wildfire activity brought about by human-caused climate change. The occurrence of extreme fire weather is now roughly double compared ...

Wildfire smoke puts harmful particle pollution into the air. Exposure to it over time can lead to heart and lung problems. People in the U.S. are breathing in four times as much wildfire smoke on ...

By 2050, as global warming makes large swaths of North America hotter and drier, the annual death toll from smoke could reach ...

The number of deaths from exposure to wildfire smoke in the U.S. could rise by more than 70% in the next 25 years. The human and economic costs involved would be astronomical, researchers say.

More intense future wildfires, fueled by further climate change, could lead to 70,000 deaths from smoke exposure a year, ...

In this photo released by the Jasper National Park, smoke rises from a wildfire burning near Jasper, Alberta, Canada, Wednesday, July 24, 2024 [AP Photo/Jasper National Park/The Canadian Press] The ...

Wildfires are no longer a seasonal nuisance but a deadly, nationwide health crisis. Fueled by climate change, smoke is ...

Smoke from Canadian wildfires blanketed much of the United States in August, with the Midwest and Northeast facing the heaviest and most frequent exposure. This month, the 2025 wildfire season became ...

The hazy air hovering over US metropolises, including Chicago and New York, this summer is reminding Americans of just how connected they are with their northern neighbor, regardless of how much ...