Firefighter Stairclimb Challenge takes place at Brookfield Place in Calgary on Sunday. The climb is held inside Calgary’s ...

Exposure to wildfire smoke — especially if it's heavy and over a long period of time — can cause adverse health effects in anybody, regardless of health status or age. But even mild wildfire exposure ...

Security officials at the G7 leaders summit in Kananaskis say plans are in place, including the possibility of evacuations, ...

Smoke from wildfires is causing poor air quality and reduced visibility Friday. It may continue into Saturday in western ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

Canada’s wildfire season is off to an intense start. A NASA satellite has recorded thousands of hot spots across the country ...

In addition to the Midwest and eastern US, the smoke from the fires has caused air quality to drop to unhealthy levels in ...

Wildfires in Canada have led several provinces to declare emergencies and certain industries to alter their local operations.

A second day of rain slowed the spread of wildfires in Alberta, allowing some oil sands production to resume. Conditions ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

Andrew Barker (pictured), managing partner at Iridium Risk Services, works with energy companies to sharpen their risk ...