Donald Trump says Canada is responsible for harmful smoke from wildfires that has moved into the United States, covering American cities. Multiple reports cite comments in which Trump criticizes Canadian forest management, alleging that Canada “does not maintain its forests properly.” He frames the situation as an unnecessary impact on the United States, describing the air as “dirty,” “polluted,” and unhealthy. Trump also links the issue to trade policy, threatening to impose additional tariffs on Canadian imports as a response. The reporting describes the remarks as part of an escalation in rhetoric between the two countries, with the wildfire smoke serving as the immediate trigger for the tariff threat. According to the sources, the message is directed at Canada’s government in Ottawa, and the stated goal is to hold Canada accountable for the environmental and health consequences of the smoke reaching U.S. territory. The articles provide the thrust of Trump’s claims and the tariff threat but do not detail any specific tariff rates or timelines.