U.S.lawmakers, including Republican representatives Jack Bergman, John James, Lisa McClain, and John Moolenaar, have sent a letter to Canadian Prime Minister Mark Carney demanding immediate action to address wildfires that are spilling smoke into U.S.territories.

The letter highlights the annual impact of Canadian wildfires on American communities, accusing the Canadian government of failing to meet its responsibilities under sovereignty.This follows previous complaints from U.S.representatives about cross-border smoke, with the current letter marking a joint effort after a year of inaction.

Canada has faced record wildfires in recent years, deploying additional firefighting aircraft to combat the crisis, yet communities continue to evacuate as homes and infrastructure are destroyed.Environment Canada has issued air quality alerts across Ontario and into Michigan, with smoke from Northern Ontario wildfires affecting air quality.The letter warns that without improved forest management, the U.S.may take unilateral action to protect its citizens, including direct involvement in cross-border firefighting efforts.The Canadian government has not yet responded to requests for comment.