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US issues final approval for tunnel connecting two Great Lakes

The U.S. Army Corps of Engineers on Wednesday issued a permit for a tunnel that connects Lake Michigan and Lake Huron, bringing the project one step closer to construction.

US issues final approval for tunnel connecting two Great Lakes

TL;DR

  • The U.S. Army Corps of Engineers issued a permit for a tunnel connecting Lake Michigan and Lake Huron.
  • Canadian energy company Enbridge will build the tunnel under the lake bed in the Straits of Mackinac.
  • The tunnel will house a 4-mile segment of Enbridge's Line 5 pipeline.
  • Concerns exist about the aging Line 5 pipeline (built in 1953) rupturing and causing oil spills.
  • The potential for oil spills has led to legal battles over environmental risks.