"Environment Canada got pushback," said Bill Donahue, an environmental scientific consultant and former head of monitoring for the Alberta government. "It dramatically reduced the proposed standards in terms of their stringency."

Rebates on carbon taxes haven't helped Canadians warm to them, a new survey suggests.

Hospital emergency rooms in Alberta are likely to assess complaints from First Nations people as less urgent than those from other patients, even when their problems are the same, says a new study that looked at millions of such visits.

Alberta doesn't have a good grasp of the overall environmental impacts of the oilsands a decade after implementing monitoring that was supposed to provide it, internal government documents suggest.

University of Calgary paleontologist Darla Zelenitsky had seen well-preserved dinosaur egg fossils before, but nothing like this.

Mercury contamination in freshwater fish populations falls quickly once new sources of the toxic chemical are cut off, says new research.

The Alberta government has hired a private law firm to defend Premier Jason Kenney after environmental groups threatened him with a defamation lawsuit.

Investigators at the Alberta Utilities Commission are asking the regulator to look into what they say is illegal behaviour by one of the province's largest and most prominent homegrown companies.

A coalition of at least eight environmental groups is threatening to sue Alberta Premier Jason Kenney for defamation if he doesn't retract and apologize for statements saying a public inquiry found they spread misinformation about the province's oil and gas industry.

Canada is considering an international proposal that would double the ambition of its greenhouse gas emissions targets from shipping — a plan observers say the country seems ready to support.