Up Next
Back to Show
PBS News Hour
How western wildfires spread harmful particles across U.S.
Raging wildfires are burning across parts of the western U.S. and Canada, pushing thousands of people to flee their homes and forcing Canada to call up the military to help. In addition to the physical devastation the flames are causing, researchers are getting a clearer picture of just how dangerous all that toxic smoke is to human health. William Brangham reports.
Support Provided By
Season

56:44
April 22, 2025 - PBS News Hour full episode

56:44
April 21, 2025 - PBS News Hour full episode

26:45
April 20, 2025 - PBS News Weekend full episode

26:44
April 19, 2025 - PBS News Weekend full episode

57:46
April 18, 2025 - PBS News Hour full episode

57:46
April 17, 2025 - PBS News Hour full episode

57:46
April 16, 2025 - PBS News Hour full episode

57:46
April 15, 2025 - PBS News Hour full episode

57:46
April 14, 2025 - PBS News Hour full episode

26:44
April 13, 2025 - PBS News Weekend full episode

26:45
April 12, 2025 - PBS News Weekend full episode

57:46
April 11, 2025 - PBS News Hour full episode