Environmentalists have been calling on Enbridge Energy for years to shut down the pipelines running beneath the Straits of Mackinac. The company maintains that the pipelines are safe and in good condition.
Now, a new study from the University of Michigan shows that an oil spill in the straits could impact over 700 miles of shoreline.
Current State's Mark Bashore talks with lead researcher Dave Schwab and National Wildlife Federation regional executive director Mike Shriberg.
