Polymet is about to get permission to open one of the first copper sulfide mines in Minnesota. This mine will be directly over the Superior Watershed, one of th

Polymet is about to get permission to open one of the first copper sulfide mines in Minnesota. This mine will be directly over the Superior Watershed, one of the largest fresh water aquifers in the world. We have plenty of data about how destructive copper sulfide mining is yet it looks like it will get rammed through. So the idea that "asking permission" is a thing, well, I'm not sure it really is anymore.