Line 5 enbridge

The project would divert a section of the Line 5 petroleum pipeline from the open waters of the Straits into a concrete tunnel beneath the lakebed.

The aging pipeline carries oil and natural-gas liquids through the Straits of Mackinac, where opponents fear a spill could devastate the Great Lakes

The Michigan Supreme Court on Friday ruled that the Michigan Public Service Commission erred when it granted a key permit for the Line 5 petroleum pipeline tunnel under the Straits of Mackinac

Environmental groups have long warned an accident could cause an oil spill in the Straits, threatening the Great Lakes

State agencies in Michigan on Wednesday issued key permits for the controversial Line 5 tunnel in the Straits of Mackinac, concluding the project’s benefits outweigh drawbacks

Up to 1.9K gallons of drilling fluid spilled in Iron County

The permit is the latest step in a yearslong debate over the aging pipeline and the risk of an oil spill

Enbridge says it's following permit conditions, but Bad River tribal chairwoman fears the project will harm sensitive ecosystem

Justices heard arguments over whether state regulators properly approved a plan to house the pipeline in a protective tunnel beneath the lakebed

The Bad River Band is fighting to stop Line 5 and protect its watershed. Meanwhile, local sheriffs are already tallying the cost of riot gear.