Opponents of the Copper ... of Arizona, the suit says. The tailings pipeline is an important part of the Copper World project to Hudbay because it would connect the physical mine site with Hudbay ...

Copper mining in Arizona has taken place since ancient times. Today, it is still one of the largest copper producing areas, ...

WASHINGTON— More than 100 conservation, Indigenous and religious groups urged Congress today to pass the Save Oak Flat Act to protect the sacred site in central Arizona from being destroyed by a ...

Excelsior Mining has secured the final permit needed to restart operations at the Johnson Camp Mine (JCM) in south-east Arizona, marking a significant milestone for the company's copper production ...