extreme heat

Researchers in Quebec have developed a new warning system for heat waves that they say is more precise and better adapted to climate change.

Blistering temperatures are redefining what's considered "really hot."

Airport officials facing jet fuel shortages are concerned they’ll have to wave off planes and helicopters that drop fire retardants during what could be a ferocious wildfire season, potentially endangering surrounding communities.

Released July 7 by the World Weather Attribution network, a group of scientists from universities across the globe, a new study finds that the unprecedented heat in Western Canada and other parts of the Pacific Northwest wouldn’t have been possible without human-caused climate change.

The extreme heat in Western Canada is a brutal reminder that climate-driven fatalities are going to be an even bigger part of our lives going forward, writes columnist Max Fawcett. We need to be taking bounds, not steps, if we’re going to get ahead of this slow-motion disaster. 

Police say a sweltering heat wave that has settled over Western Canada for several days is believed to be a contributing factor in dozens of sudden-death calls they have responded to in Metro Vancouver.

Forestry experts are hoping for clear, blue skies as unprecedented hot weather pushes the wildfire risk in Western Canada to similar record-breaking levels.

A new report from the Obama administration says climate change already presents the country with major challenges