Trump threatens Canada with tariffs over wildfire smoke: 'Unacceptable!' - USA Today

President Trump has threatened to impose tariffs on Canada, citing the country's alleged mismanagement of forests as the cause for hazardous wildfire smoke drifting into the U.S. Canadian officials have countered by emphasizing the shared global responsibility for climate change.
Why it matters
This dispute highlights the growing intersection of environmental policy, international trade, and diplomatic tensions between the U.S. and Canada.
Hear this story President Donald Trump is threatening to charge tariffs to Canada over record levels of hazardous air drifting into the U.S. from hundreds of wildfires burning in the north.
"The United States is being unnecessarily invaded by filthy, polluted, and unhealthy air, the quality of which is dangerous, and totally unacceptable!" Trump wrote in a July 17 post on Truth Social.
The president said he would be calling Canadian Prime Minister Mark Carney to ask what his nation is going to do about the smoke problem , which he attributed to a lack of proper forest management in Canada.
"This is Willful Negligence, and becoming a yearly occurrence, costing the United States Billions of Dollars, which cost of this pollution must of necessity be added to the TARIFFS Canada is currently paying," Trump wrote.
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