MINNEAPOLIS (AP) — Opponents of a proposed copper-nickel mine in northeastern Minnesota sued Wednesday to challenge the federal government’s renewal of Twin Metals’ mineral rights leases,...
ST. PAUL, Minn. (AP) — The Minnesota Court of Appeals on Monday rejected some of the most important permits for the planned PolyMet copper-nickel mine in...
ST. PAUL, Minn. (AP) — Twin Metals Minnesota formally submitted a plan to regulators Wednesday for an underground copper-nickel mine near Ely in northeastern Minnesota, a...
ST. PAUL, Minn. (AP) — PolyMet Mining Corp. has received the final permit it needs to proceed with building Minnesota’s first copper-nickel mine, the company and...
A Minnesota environmental group filed a federal lawsuit against the Environmental Protection Agency Tuesday, seeking to force it to make public the concerns its specialists have...