Since the weekend, several major fires have been raging across Canada’s central and western provinces. The smoke from those fires is now drifting south across the U.S. border and is significantly ...

Wildfire smoke from Canada is expected to move over the U.S., impacting air quality for millions of people on Friday and this weekend. Maps and satellite imagery show the large-scale impact of the ...

Canadian wildfires are causing poor air quality in parts of the U.S. Air quality alerts have been issued for several states, advising precautions for sensitive groups. The EPA has designated air ...

Smoke from hundreds of wildfires in Canada has smothered the skies over dozens of northern U.S. states in the Great Lakes and Northeast regions. After several days of haze and poor air quality, relief ...

"Numerous regions across B.C. are being impacted or are likely to be impacted by wildfire smoke over the next 24-48 hours," ...

Canadian wildfire smoke is still lingering across Michigan, causing hazy skies. Another air quality advisory has been issued.

Average temperatures have increased by about 1 to 3 C across the country since the middle of last century, says a recently-published report.

About 80 per cent of Canada's land mass saw an increase in its plant hardiness zone, mostly of about half a zone to one full ...