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.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
57:46
May 14, 2025 - PBS News Hour full episode
57:46
May 13, 2025 - PBS News Hour full episode
57:46
May 12, 2025 - PBS News Hour full episode
26:44
May 11, 2025 - PBS News Weekend full episode
26:45
May 10, 2025 - PBS News Weekend full episode
57:46
May 9, 2025 - PBS News Hour full episode
57:46
May 8, 2025 - PBS News Hour full episode
57:46
May 7, 2025 - PBS News Hour full episode
57:46
May 6, 2025 - PBS News Hour full episode
57:46
May 5, 2025 - PBS News Hour full episode
26:45
May 4, 2025 - PBS News Weekend full episode
26:44
May 3, 2025 - PBS News Weekend full episode