Researchers detect blue-green algae toxin in Lake Erie earlier than ever before
2 people now confirmed dead in Bow Glacier Falls rockfall in Banff National Park
What are invasive plant species? And how much harm can they do?
Officials step up plans to combat flesh-eating screwworm
60 cm of snow in June? How a volcano half a world away stole Canada's summer
Why dogs need more help than cats in extreme heat
University professor says wildfire adaptability varies among species
Amusement park guests told to keep mouths shut on rides due to cicada swarms
Phytoplankton, key to ocean life, falling 2% per year in North Atlantic
When thunder roars...your allergies soar?
