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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.

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Conflicted Over Copper: How the Mining Industry Developed Around Lake Superior

by Lorraine Boissoneault June 5, 2020November 9, 2025

This first part in a series on copper mining in Minnesota explores the history on mining in the area and its origins in iron.

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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.

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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.