The Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) announced that it received a notice from Enbridge indicating a change to its carbon monoxide (CO) alarm response policy that will align Enbridge with industry-established best practices and will trigger the fastest response time possible. 

Experts have predicted a "high risk" of rupture on this aging oil pipeline that has recently been approved to bring Alberta tar sands crude to Eastern Canada.

You can see the opposition to the big pipe from the tar sands on every house and every stop sign.

After two years of pressing pipeline regulators to release inspection photos and videos of the 60-year-old Enbridge pipeline that carries tar sands oil through the Straits of Mackinac, NWF took it upon themselves to inspect the pipeline.