About a year ago, Alberta's United Conservative Party leader stood in front of 1,500 raucous supporters and called the federal carbon tax an act of "economic masochism" that he would fight with everything in his power if he were elected premier.

Governments may have to rethink how they conserve ocean ecosystems as climate change forces marine animals from their usual homes, says newly published research.

For Keith Morrison, the consequences of this fall's extraordinarily warm weather across the North all came down to an urgent call for help.

Canada has made disappointingly little progress in preserving the variety of life in its oceans largely because of a contradiction in the federal department that's supposed to protect it, says a group of senior scientists.

The possible transfer of hundreds of sour gas wells, pipelines and other facilities from an energy giant to a much smaller company has raised concerns about Alberta's efforts to ensure taxpayers don't get stuck with the cleanup bill.

A report is urging British Columbia to get better financial guarantees that mining companies will pay for the mess they make.

Alberta is to increase what it spends to fight the slow creep of the mountain pine beetle through the province's forests and has asked the federal government to chip in.

As Alberta prepares to release details on its new climate plan, critics are wondering about funding cuts to environmental monitoring and greenhouse gas management already spelled out in last week's budget.

There is a second fraud lawsuit in the United States against ExxonMobil involving Alberta's oilsands.

The new premier of the Northwest Territories tells a story when asked about how her government will differ from that of her predecessor.