Environmental News

Court upholds MN rules in copper-nickel mining challenge

PolyMet wants to use the facility for its copper-nickel processing plant.
In this undated aerial file photo, the LTV Steel Mining Company which shut its doors Jan. 3, 2001, is shown near Hoyt Lakes, Minn. The PolyMet Mining Corp. wants to use the facility for its copper-nickel processing plant.
Mark Sauer | AP Photo file