Canada issues air quality warnings over US wildfire smoke after Trump tariff threat
Canada has issued air quality warnings due to smoke drifting north from wildfires in the US, reversing a previous trend where Canadian smoke affected American cities. This comes amid ongoing political tensions regarding wildfire management and trade tariffs.
Why it matters
The situation highlights the cross-border environmental impact of climate-driven wildfires and the resulting geopolitical friction between the US and Canada.
Wildfires have already had an impact on air quality in Toronto. Wildfires have already had an impact on air quality in Toronto. Wildfires Canada issues air quality warnings over US wildfire smoke after Trump tariff threat Officials say smoke from US fires has crossed border days after US president accused Canada of improper fire management
Prefer the Guardian on Google After days of acrid smoke from northern wildfires choking major US cities and inspiring Donald Trump to threaten Canada with tariffs, officials now say the reverse is also happening as parts of Canada issue air quality warnings caused by American fires to the south.
Officials in the Canadian province of British Columbia warned in an alert on Saturday evening that smoke from US fires, spurred on by thousands of lightning strikes in the north-east, was creating smoky conditions as polluted air drifted north.
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