Coverage dated July 31, 2026 to August 3, 2026

Michigan Supreme Court vacates approval of Line 5 tunnel

Headline from WLNS Lansing, from the development of Jul 31, 2026

Newest development Aug 3, 2026 · 3 reportsMichigan Supreme Court sends Line 5 tunnel back to regulators

The Michigan Supreme Court overturned the state's approval of Enbridge Energy's proposal to build a tunnel under the Straits of Mackinac, ordering the Michigan Public Service Commission to conduct a more comprehensive environmental review.

WLNS Lansing's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Names this update

    Michigan Supreme Court vacates approval of Line 5 tunnel

    Headline from WLNS Lansing ·

  2. Newest

    Michigan Supreme Court sends Line 5 tunnel back to regulators

    Headline from WLNS Lansing ·

15 reports not tied to one development ·

Reports & sources

23 articles, oldest first.

  1. Bridge Michigan

    Michigan Supreme Court vacates key Line 5 permit (opens Bridge Michigan)

    Published

    Bridge Michigan's feed description

    The court ruled 6-1 that the Michigan Public Service Commission’s review of a key permit for the petroleum pipeline tunnel was overly narrow, failing to consider whether the tunnel will harm public trust resources.

  2. WLNS Lansing

    Michigan Supreme Court vacates approval of Line 5 tunnel (opens WLNS Lansing)

    Published

    WLNS Lansing's feed description

    The Michigan Supreme Court overturned the state's approval of Enbridge Energy's proposal to build a tunnel under the Straits of Mackinac, ordering the Michigan Public Service Commission to conduct a more comprehensive environmental review.

  3. Michigan Advance

    Michigan Supreme Court tosses state regulator’s approval of Line 5 tunnel project (opens Michigan Advance)

    Published

    Michigan Advance's feed description

    The Michigan Public Service Commission must revisit its order approving the Enbridge Energy Line 5 tunnel project because it did not properly examine environmental harms that might arise from extending the pipeline’s lifespan, the Michigan Supreme Court ruled Friday.

  4. Bangor Daily News

    Michigan Supreme Court rejects permit for Enbridge oil pipeline under Great Lakes (opens Bangor Daily News)

    Published

    Bangor Daily News's feed description

    The Michigan Supreme Court has ordered state regulators to reconsider a key permit that allowed a planned tunnel to carry an oil pipeline under part of the Great Lakes to move forward. The 6-1 decision further clouds the future of the 73-year-old pipeline owned by Canadian energy transportation comp…

  5. The Center Square

    Michigan Supreme Court sends Line 5 permit back for review (opens The Center Square)

    Published

    The Center Square's feed description

    (The Center Square) – The Michigan Supreme Court overturned a key permit for the construction of Enbridge’s proposed Line 5 tunnel beneath the Straits of Mackinac.

  6. Michigan Advance

    Attorneys and advocates cheer Michigan Supreme Court decision demanding new Line 5 permit review (opens Michigan Advance)

    Published

    Michigan Advance's feed description

    Following the Michigan Supreme Court’s Friday ruling striking down state energy regulators’ decision to permit the Line 5 tunnel project, pipeline opponents convened to celebrate the decision and talk about the next steps.

  7. WDIO Duluth

    Line 5 permits overturned by Michigan Supreme Court (opens WDIO Duluth)

    Published

    WDIO Duluth's feed description

    The Michigan Supreme Court has overturned a permit for Enbridge's Line 5 pipeline project and has ordered a new review.

  8. WLNS Lansing

    Michigan Supreme Court sends Line 5 tunnel back to regulators (opens WLNS Lansing)

    Published

    WLNS Lansing's feed description

    The Michigan Supreme Court has overturned a key permit for Enbridge’s proposed Line 5 tunnel beneath the Straits of Mackinac, sending the project back to state regulators for a broader environmental review.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Separate coverage close to this update in time and subject.