An Ontario labour group says it is advocating for more robust worker protections amid growing health concerns over poor air ...

It says the push is part of a broader heat stress strategy looking at how climate change is impacting working conditions ...

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The north-central part of the Prairies and parts of Ontario remain under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region’s very poor air quality ...

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An Air Quality Health Advisory is in effect until midnight tonight for much of upstate New York, including the Finger Lakes, ...

Parts of New York are expected to experience the third consecutive day of bad air quality Wednesday, as wildfire smoke ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts ...

People who breathe air polluted with large amounts of wildfire smoke visit hospital emergency rooms more often for respiratory symptoms, according to a Canadian emergency room physician and chair of ...

The haze is expected to ease Thursday morning with pollution levels dropping to moderate after Toronto jumped on and off the ...

The seven Michigan Republicans in the state's congressional delegation issued a joint statement Wednesday blaming Canada for ...

Mother Nature cancelled the 40th annual Deep River Triathlon. The more than 130 participants who had registered for the race were greeted with a rude awakening Sunday morning when the town announced ...