Wildfires have displaced 270,000 people in France and Spain, with evacuations forced in Scotland.In North America, four million acres of U.S.land have been scorched, and tens of millions face hazardous smoke from Canadian and Western U.S.wildfires.Firefighting resources in America are fully deployed, raising concerns about handling new fires.Toronto experienced record air quality due to smoke from a wildfire larger than any in Ontario's history.Climate scientists warn that rising temperatures will lead to more frequent and intense wildfires, making smoke a summer inevitability.Efforts to manage boreal forests in Canada face challenges due to their vast, roadless expanse and ecosystem design for infrequent, intense fires.Experts emphasize that reducing emissions alone won't stop wildfires, and cities will need to adapt with air purifiers and masks.The article highlights the global scale of the crisis, linking it to climate change and the need for long-term preparedness.