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 has been denied by a ...

Arizona is known for its abundant sunshine, diverse geography, and lifestyle. There is another less desirable part of our ...

Hudbay Minerals secures $600M from Mitsubishi for a 30% stake in its Copper World project, slashing its upfront costs and boosting long-term growth plans.

Consultants for Copper World delivered a harsh response to an April memo blaming water quality degradation on the mining ...