According to environment and sustainable development commissioner Scott Vaughan, who released a final series of audits before stepping down, the federal government's failure to protect the environment is putting Canadians' health and economy at risk.

Tar sands oil may soon be pumping through an Ontario pipeline near you. If you didn't know, it is likely because Enbridge doesn't want you to know that they are bringing the Kalamazoo disaster to your home province. It is called Line 9, and is part of the same Enbridge pipeline network as the pipe that spilled well over a million barrels of oil in 2010 into the Kalamazoo River.

INNISFAIL, Alta. - A tiny baby beaver who was a victim of last week's pipeline leak into the Red Deer River is being nursed back to health by staff an...

One of the issues in the Northern Gateway pipeline hearing is the threat that oil tankers will pose in the dangerous channels and sensitive ocean environments near the proposed port, Kitimat. Enbridge soothingly predicts that major spills will be inconceivably rare. I remain a sceptic.

The oil industry is used to getting its way without much fuss, but now thousands of citizens, unions, legislators and celebrities have come together to fight for the energy future they want. It has been inspiring, but it also raises an important question: shouldn't every decision about a new energy project face this type of scrutiny?

Attaching a dollar value to the damage that spilled oil does to marine and terrestrial ecosystems is an extremely difficult task. The true costs dramatically exceeded the estimates.

Offshore oil spills are Black Swan Events -- extremely hard-to-predict events that carry the risk of major impact. How much would it cost to clean up an Arctic offshore oil spill in Canada?