tech
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.

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.