Letter to the Editor: Boundary Waters is not the place for an experiment

Letter to the Editor: Boundary Waters is not the place for an experiment

There is a simple question Minnesotans should be asking about proposed copper mining near the Boundary Waters: Has this ever been done without pollution — not promised, not modeled, not hoped for, but actually done — when sulfide ore mining creates acid when exposed to air and water? The answer is no. There is no documented example, in the United States or anywhere in the world, where sulfide ore copper mining has operated without pollution over…