Operations left behind uniquely colored beaches in Minnesota’s Silver Bay and Michigan’s Gay. But the materials are different ...

A U.S. district judge has denied a request by a Native American tribe and environmentalists to stop the federal government from transferring land in Arizona for a massive copper mining project.

The developer of what could be the world’s largest lithium mine and a private landowner have reached a settlement following a flurry of lawsuits and appeals over water rights the company says are ...

Construction on lithium mine continues after developer dodges lawsuit by purchasing water rights from rancher who claimed the mine would harm his operation.