Canada’s wildfires are bigger than they used to be, and experts say they’re set to get even worse. That will keep impacting US air for years.
Author: Elizabeth Weise and Doyle Rice, USA TODAY
As Canada burns, smoke makes US air unhealthy and skies eerie. Is climate change to blame?
The size, ferocity and number of wildfires this year in Canada is decidedly abnormal. The smoke is now affecting US weather.