Canadian wildfires rage as Trump warns Carney again over 'poisoning' US air

US President Donald Trump has threatened Canada with tariffs, citing the environmental and economic impact of smoke from Canadian wildfires on the US. Canadian officials, including Ontario Premier Doug Ford, have criticized the threats, urging for cooperation instead of conflict.
Why it matters
The dispute highlights growing diplomatic tensions between the US and Canada over climate-related disasters and trade policy.
Figure caption, Doug Ford to Trump on wildfires: ‘Why don’t you start helping us?’
US President Donald Trump told Canadian Prime Minister Mark Carney during the World Cup Final on Sunday to get control of wildfires burning across Canada whose smoke has been "poisoning our air" in the US.
"If we can help them, we'll help them. But maybe they should pay some damages or something," Trump said.
More than 900 wildfires are raging across Canada, forcing thousands of people to evacuate, destroying homes and burning some 28,000 sq km (11,000 sq m) of land.
Ontario Premier Doug Ford on Monday said Trump should offer "his closest allies and friends" support "rather than sit there and threaten tariffs". The fires - and the smoke - have further fueled tension between Canada and the US.
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