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Trump threatens to tariff Canada over wildfire smoke choking northern US cities

BBC News · Jul 17, 2026, 9:14 PM UTC

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.

Canada fires prompt US air quality alerts as smoke blankets major cities

Google-backed satellites for wildfire detection launch as smoke chokes US, Canada

Wildfire smoke is like smoking 'half a pack a day.' Here's how to protect yourself

‘Temporary improvement’ possible but wildfire smoke persists in Toronto

Wildfire smoke could impact your brain health. Here’s how

Vancouver Whitecaps game in Chicago rescheduled due to wildfire smoke

Trump threatens to tariff Canada over wildfire smoke choking northern US cities

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Canada fires prompt US air quality alerts as smoke blankets major cities

Google-backed satellites for wildfire detection launch as smoke chokes US, Canada

Wildfire smoke is like smoking 'half a pack a day.' Here's how to protect yourself

‘Temporary improvement’ possible but wildfire smoke persists in Toronto

Wildfire smoke could impact your brain health. Here’s how

Vancouver Whitecaps game in Chicago rescheduled due to wildfire smoke