A study has concluded that the increased presence of killer whales in Arctic waters is intimidating narwhal into drastically changing their behaviour.

Overland’s report, the result of three years of work, looks at 92 resource extraction companies operating above the Arctic Circle.

The Alberta government is introducing a grant program for schools and community groups that want to implement climate change education programs.

Research has found that liquids released from fracked oil and gas wells can harm fish even at low concentrations.

The U.S. film star and Oscar winner said she made the visit to learn about the impact of oilsands development on First Nations and to support their opposition to pipelines.

Canadians need to turn down the heat and start listening to each other when they discuss global warming, says the winner of a major scientific award for his work on Arctic ice and climate change.

In both cases, Ottawa argues that the NEB was qualified to stand in for the Crown and aboriginal groups had plenty of opportunity to get information and express their concerns.

Most of the threats are already appearing, and some are likely to lead to a new normal, even if countries manage to control climate change.

Surface water collected near four fissures in the ground continues to show an oily sheen.

A study suggests Canada's attempts to set a price on carbon are being undercut by subsidies to the fossil-fuel industry.