Nearly a thousand wildfires continue to burn in Canada, worsening air-quality alerts across North America and forcing thousands of evacuations, with Indigenous communities hit hardest. Smoke and pollutants have spread into parts of the United States, prompting warnings about hazardous conditions. Against this backdrop, critics argue President Donald Trump and Canadian Prime Minister Mark Carney are “doubling down” on fossil-fuel approaches rather than cutting emissions to curb the growing severity of extreme fire seasons. Trump has also threatened tariffs linked to the wildfire fallout in the U.S.