Environmental groups, tribes had challenged Michigan Public Service Commission approval for Enbridge to build a tunnel under the Straits of Mackinac.

Michigan environmental groups are pushing back as Enbridge’s Line 5 tunnel faces emergency review, potentially bypassing full scrutiny and public input. This move comes after President Donald Trump’s

A Michigan appeals court has ruled that Enbridge Energy's plans to build a tunnel around an aging pipeline that runs beneath a Great Lakes channel can continue.

A Michigan appeals court has ruled that Enbridge Energy's plans to build a tunnel around an aging pipeline that runs beneath a Great Lakes channel can continue.

Enbridge wants to build a protective tunnel around a 4-mile section of its Line 5 pipeline that runs along the bottom of the Straits of Mackinac.

Michigan environmental groups are pushing back as Enbridge's Line 5 tunnel faces "emergency" review, potentially bypassing full scrutiny and public input

Enbridge Energy’s plans to build a protective tunnel around an aging pipeline that runs beneath a channel connecting two Great Lakes can continue, a Michigan appeals court ruled. The state Public Service Commission properly issued permits for the $500 million project,

Enbridge Energy’s plans to build a protective tunnel around an aging pipeline that runs beneath a channel connecting two Great Lakes can continue, a Michigan appeals court ruled.

Controversial rebuild of a pair of 20-in.-dia pipes resting on the lake bottom with a single 30-in.-dia pipe inside a concrete-lined tunnel still needs federal permit approval and has opponents.

On Wednesday, the Michigan Court of Appeals rejected a challenge from Tribal Nations and environmental groups aiming to overturn the Michigan Public Service Commission’s approval of Enbridge’s Line 5 tunnel project beneath the Straits of Mackinac.

More than a month after attorneys for several Native American tribes and environmental advocacy groups urged the Michigan Court of Appeals to overturn one of the permits needed for Canadian energy company Enbridge to move forward with its controversial Line 5 tunnel,

Michigan environmental groups are pushing back as Enbridge's Line 5 tunnel faces "emergency" review, potentially bypassing full scrutiny and public input