Canadian leader Mark Carney says both countries have a responsibility to fight climate change.

On Friday, President Donald Trump threatened to raise tariffs on Canada, blaming the country’s worsening wildfires for sending hazardous smoke across the U.S. and accusing Ottawa of failing to ...

US President Donald Trump has blamed Canada for wildfire smoke drifting into the United States and threatened consequences. The cost of the pollution "must of necessity be added to the TARIFFS Canada ...

US President Donald Trump threatened to raise tariffs on Canada, blaming poor forest management for wildfire smoke that has spread across the US. The toxic haze has triggered air quality alerts in ...

Fears that wildfire smoke could disrupt the World Cup final remain, as US President Donald Trump threatens Canada with tariffs.

U.S. President Donald Trump has claimed that Canada should face additional tariffs in response to worsening air pollution in the United States caused ...

President Trump said Friday he's holding Canada responsible for wildfire smoke that's pushed air quality to hazardous levels across the Midwest and Northeast.

President Trump is indicating that he may punish Canada over wildfire smoke that’s drifted into the U.S. further inflaming ...

U.S. President Donald Trump is threatening new tariffs on Canada over wildfire smoke that, he said, has “invaded“ American cities in recent days, calling it “Willful Negligence” on the part of ...