Severe
Multiple days of severe storm risk unfolds in the U.S. as season picks up
Forecasts
Cooldown means another frost chance in Ontario, but will this be it for spring?
Wildfires prompt alerts for hamlet near Fort McMurray, Cold Lake First Nations
Space
Look up Tuesday night for the Full Pink Moon
Seasonal
Top five ways human-caused wildfires start
What is cloud seeding? How scientists hope to generate rain
Watch for Lyrid fireballs to light up the sky Sunday night
Remembering the first Earth Day, the largest single-day protest in history
Can we end plastic pollution? Negotiators in Ottawa to work on a global treaty
Earth Day theme urges action as the planet battles plastic pollution
Why you shouldn't water your lawn...just yet
Toronto looks to expand tree canopy with planting on private land
Take in the breathtaking blooms at Canada's largest tulip festival
Calgary re-branded as the 'Blue Sky City'
Alberta's wildfire season: how 500 new firefighters are preparing for it
Canada's spring allergy season is underway. Top triggers to watch for