A US judge has rejected a bid by a subsidiary of Chilean mining company Antofagasta Plc to restore canceled mineral leases for a proposed $1.7 billion Minnesota copper and nickel mine, which the Biden administration had blocked over concerns it could pollute a major recreational waterway. US District Judge Christopher Cooper in Washington, DC, on Wednesday dismissed Twin Metals’ 2022 lawsuit, which challenged the US Interior Department’s decision earlier that year to cancel leases for an underground mine near the Boundary Waters Canoe Area Wilderness. The project would have been one of the biggest US sources of ... (full story)