A female killer whale leaps from the water in Puget Sound near Seattle.
(AP Photo/Elaine Thompson)
Scientists had been uncertain about why killer whales are dying in the northeastern Pacific Ocean. A new study takes an in-depth look and provides the tools to help prevent additional deaths in the future.
Whooping cranes, a critically endangered species, breed in one location, a wetland in Wood Buffalo National Park. Yet a federal-provincial review panel has approved an oilsands mine that could kill some of the birds.
Are our brains wired to favour growth over environmentally rational decisions?
Two southern resident killer whales surface near Saturna Island, B.C, in September 2012.
A bold new approach could protect endangered animals.
A female resident orca whale breaches while swimming in Puget Sound in January 2014.
THE CANADIAN PRESS/AP, Elaine Thompson
Noisy waters may be making it harder for southern resident killer whales to communicate with each other and find their food.