Climate change exacerbates Canada's fire season

Wildfires burning across western and central Canada prompted the number of people evacuated to climb to more than 30,000. The conditions were hot and dry, similar to what was experienced in 2023, Canada's worst fire season on record. John Vaillant is a journalist and author of the book, "Fire Weather." He spoke with The World's Carolyn Beeler about how climate change is exacerbating Canada's fire season.

This story originally aired on June 5, 2025.