"This ranks as one of the worst wildlife disasters in modern history," the CEO of the World Wide Fund for Nature said.

"With no polar ice, there will not be polar bears," said Brandon Laforest, a senior specialist of Arctic species at WWF Canada.

A paper co-authored by a University of Saskatchewan professor found finds that chinstrap penguin populations have declined because their food source is decreasing.

The bear will likely have trouble hunting due to a decreased ability to camouflage itself.

Included in the park's cleanup was nearly 3,000 discarded cigarette butts.

Megan Leslie, chief executive of the Canadian arm of the World Wildlife Fund, said there are "extreme outliers" among political parties on the issue, and efforts must be made to shift them from denial to discussion.

New documents obtained by Global News show lab tests of calcium chloride reveal the anti-icing agent exceeded stormwater and combined sewer bylaws set by the City of Edmonton.

Villagers in northern India beat a tiger to death after it fatally mauled a man, according to U.S. media reports.

WWF says runoff from road salt use is affecting creek and river habitats.

Tweaking your lifestyle and supporting carbon tax initiatives will have a much "greener" impact than turning off the lights for one hour, experts say.