Extreme wildfires are here to stay. Can human beings really fight them?
How wildfire smoke can threaten human health, even when the fire is hundreds of miles away
Long After the Flames Go Out, Wildfire Smoke and Its Impact Lingers — Even if We Can't See It
What started Canada's wildfires and are they under control?, Environment News
Northern Hemisphere wildfires: A summer of extremes
The Environmental Impact of Wildfires
10 Tips to Prevent Wildfires U.S. Department of the Interior
Wildfire Smoke: When It Goes Away, Where Does It Go? - Bloomberg
What causes wildfires in Canada?