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Twin Metals to appeal federal decision on proposed mine

by The Associated Press October 29, 2021

Twin Metals will appeal a federal decision that dealt a serious blow to its proposed copper-nickel mine in northeastern Minnesota, the company said Wednesday.

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Conflicted Over Copper: Technological advances clash with environmental concerns in Twin Metals case

by Lorraine Boissoneault June 19, 2020

Changes in legislation in the past few years are helping clear the way for the mine.

AP, Article, Drinking Water, Minnesota, News, Protect, Region, Water Quality and Restoration Efforts

Judge backs Minnesota’s Twin Metals mine in lease dispute

by The Associated Press March 18, 2020

The judge said the Interior Department had the authority to reverse itself and renew the project’s federal mineral rights leases.

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Twin Metals Minnesota files formal mine plan with regulators

by The Associated Press December 20, 2019November 9, 2025

Twin Metals Minnesota’s plan for an underground copper-nickel mine in northeastern Minnesota is a project that has drawn fierce opposition because it would sit just upstream from the Boundary Waters Canoe Area Wilderness.

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Minnesota lawmakers introduce anti-copper mining legislation

by The Associated Press January 15, 2021

The effort directly opposes a proposed Twin Metals underground copper-nickel mine near Ely that opponents say could contaminate the Boundary Waters Canoe Area Wilderness.

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What are Joe Biden’s views on two of the most controversial environmental projects in Minnesota?

by MinnPost May 12, 2020November 9, 2025

Biden never addressed the Line 3 or Twin Metals projects during his presidential primary campaign and has continued to avoid taking a stand since becoming the likely Democratic nominee.

Energy News Roundup

Major nuclear plant expansion envisioned on the far side of Lake Huron

by Nicole Pollack, Great Lakes Now May 13, 2026May 13, 2026

More energy news with the Trump administration reopening Minnesota’s Boundary Waters to mining and a deep-red Ohio county nearly overturning its ban on utility-scale renewables.

Politics, Policy, Environmental Justice

Why mining in Minnesota’s Boundary Waters matters to Wisconsin

by Wisconsin Public Radio May 8, 2026May 8, 2026

Wisconsin lawmakers in both chambers of Congress voted on a bill overturning a 20-year mining ban in the area surrounding the Boundary Waters — Republicans voted to overturn the ban, and Democrats to sustain it.