#announcing approval

MINNEAPOLIS | Divisive Minnesota mine wins permits, but faces challenges

MINNEAPOLIS— Minnesota regulators on Thursday granted key permits to the long-planned PolyMet copper-mining project that’s opposed by environmentalists who fear it could someday foul waters, including Lake Superior.

The state Department of Natural Resources issued permits to PolyMet Mining Inc. for the company’s proposed NorthMet project in northeastern Minnesota. The project still needs permits…