Where are Canada's mosquito hotspots?
No fireworks: Check out this pet-friendly Canada Day celebration in Toronto
Here's how fireworks harm wildlife, and what you can do instead
Phytoplankton, key to ocean life, falling 2% per year in North Atlantic
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?
Cooling off in the lake? Here's how to handle leeches
Officials step up plans to combat flesh-eating screwworm
