Trump vows tariffs on Canada over wildfire smoke drifting into U.S. cities

Trump vows tariffs on Canada over wildfire smoke drifting into U.S. cities ANALYSIS 29 JULY 2026 i ARTICLE SUMMARY KEY STATS U.S. President Donald Trump has vowed to hit Canada with tariffs over wildfire smoke that has drifted south across the border into American cities. Critics say the threat reflects a petulant impulse to punish a neighbour for a natural disaster—one that is especially rich coming from a country whose own policies have imposed heavy costs on the global economy. The threat adds wildfire smoke to the president’s list of grievances against Canada, further straining a trade r…