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Is North America set for another bad wildfire smoke season?
Smoke from wildfires burning in Canada and Mexico is already worsening air quality in the US, but some signs suggest clearer skies than last year
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Smoke from wildfires burning in Canada and Mexico is already worsening air quality in the US, but some signs suggest clearer skies than last year
We don't yet know how strong the developing El Niño climate pattern will be, but even a weak one risks severe global disruption