Science

A vast collection of peer-reviewed science shows that if a Twin Metals copper-nickel mine were built along the rivers and streams flowing into the Wilderness, pollution and environmental degradation would be certain.

Proposed Sulfide-Ore Copper Mining Threatens Aquatic and Terrestrial Ecosystems of the Boundary Waters Region of the Boundary Waters Canoe Area Wilderness, the Superior National Forest, Voyageurs National Park, and Canada’s Quetico Provincial Park, and public health and the regional economy of northeastern Minnesota.

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Know the facts:

We worked hard to make sure Birch Lake was officially recognized by the Minnesota Pollution Control Agency and the federal Environmental Protection Agency as impaired for sulfate pollution matter—but why does this matter in the fight to protect the Boundary Waters?

This designation isn’t just a label—it’s a call to action to address a critical environmental threat. Recognizing Birch Lake’s impairment is a pivotal step in safeguarding the pristine waters and unique ecosystems of the Boundary Waters. It highlights the urgent need to combat pollution and protect one of our most treasured natural landscapes for generations to come.

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