Trump threatens Canada with tariffs over wildfire smoke

President Trump has hinted at imposing tariffs on Canadian goods due to smoke from wildfires crossing the border, impacting air quality in the U.S. This move reflects heightened tensions between the two nations over environmental issues. It's not just a trade dispute but also highlights the broader implications for cross-border environmental cooperation and the economic repercussions for Canadian industries reliant on U.S. markets. This could escalate into a significant diplomatic challenge, affecting everything from lumber trade to broader climate policy negotiations.