The plant, which utilises Ceibo's proprietary sulphide leaching technology, has produced its first copper cathodes.

The historic legislation would forever safeguard the Rainy River watershed and Boundary Waters Canoe Area Wilderness from proposed sulfide-ore copper mining (i.e., Antofagasta’s Twin Metals mine ...

Congress removed a provision from the One Big Beautiful Bill Act that would have allowed a mining project near Minnesota's ...

The bill would have stripped protections from the Boundary Waters watershed, opening the door to potentially toxic copper ...

On Wednesday, U.S. Senator Tina Smith introduced the Boundary Waters Wilderness Protection Act, legislation that would permanently ban new sulfide ore mining on 225,504 acres of federal forest ...