Weather

What is the polar vortex? How it’s responsible for dangerous cold

When is the cold too cold? How extreme cold warnings are issued

Freezing rain and ice pellets are dangerous winter hazards

New report finds carbon emissions continue to rise in Toronto, Hamilton areas

Iceland deems Atlantic Ocean current's possible collapse an existential threat

The Forest Beneath the Waves: Why kelp matters and how Canadians can help

Not everyone is a ‘snowbird’: How birds overwinter in Canada

"Grotesque": Two-storey pile of trash illegally dumped in field

Are spiders true weather predictors? Expert weighs in on the myths

Holiday Survival Guide: Staying warm during Canada's cold shopping season

The CPKC Holiday Train tour is coming! Here's how it rolls in any weather

Canadian tick researcher makes breakthrough at new 'tickery'