Trump threatens new Canada tariffs over fires sending 'filthy' air into US cities

Canadian leader Mark Carney says both the US and Canada have an equal responsibility to fight climate change, which experts say are worsening wildfire conditions.

Trump threatens new Canada tariffs over fires sending 'filthy' air into US cities
Canadian leader Mark Carney says both the US and Canada have an equal responsibility to fight climate change, which experts say are worsening wildfire conditions.
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