More than 50 groups — including the Center for Biological Diversity and Apache Stronghold — are urging the Arizona State Land Department under Gov. Katie Hobbs not to sell or lease anything to ...

Opponents have filed a new lawsuit to block a land exchange for the Resolution Copper mine. The lawsuit argues the mine will destroy Oak Flat, a site sacred to Indigenous people. Advocates say there ...

The U.S. Forest Service has finalized a long-contested land exchange with Resolution Copper, clearing a major hurdle for development of one of the world’s largest undeveloped copper deposits. The ...

Resolution Copper told the U.S. Supreme Court it would begin exploratory drilling in the Oak Flat area on March 16 after the 9th U.S. Circuit Court of Appeals turned down a bid from a coalition of ...

HOUSTON, March 24 (Reuters) - Rio Tinto aims to open Arizona's Resolution Copper mine ⁠by ⁠the mid-2030s but may need to export some of ⁠its copper concentrate due to the challenging economics of ...

March 16 (Reuters) - Rio Tinto said on Monday it has ⁠gained ⁠control of acreage in Arizona needed ⁠to build the Resolution Copper mine, a project slated to become one of the largest U.S. sources of ...

Resolution Copper Mining, owned by Resolution Copper Company (55%), a subsidiary of Rio Tinto, and BHP Copper (45%), a subsidiary of BHP. Resolution is one of the most significant undeveloped copper ...

Journal Editorial Report: The week's best and worst from Kyle Peterson, Allysia Finley, and Kim Strassel. For a lesson in why it takes so long to build anything in the U.S., see Arizona’s Resolution ...

As demand for copper surges, the U.S. faces a growing contradiction: broad agreement on the need for domestic supply and ...

Resolution Copper Mining, owned by Resolution Copper Company (55%), a subsidiary of Rio Tinto, and BHP Copper (45%), a subsidiary of BHP. Funding for the project is proportional among the project ...