The U.S. Forest Service on Thursday provided notice that it will publish a final environmental review and draft decision on a transfer of land that would clear the way for a massive copper mining ...

A decades-long effort to open a portion of the Tonto National Forest to copper mining took a significant step forward on ...

Resolution Copper — a subsidiary of international mining giants Rio Tinto and BHP — has estimated that 40 billion pounds of copper could be mined over the lifetime of the mine and that the ...