Canada’s toxic wildfire smoke is killing Americans on a scale greater than 9/11.
— Nicolas Hulscher, MPH (@NicHulscher) July 19, 2026
A new study estimated that smoke from Canada’s 2023 wildfires ALONE caused 4,100 acute deaths in the United States, 41,900 premature deaths across North America, and 82,100 worldwide.
The current… pic.twitter.com/mUw2XH41qn
Canadien news 9/21/2026
https://thewalrus.ca