U.S. President Donald Trump has slammed an appeals court decision to temporarily block plans to develop a massive Arizona copper project. His comments come shortly after he met the chief executives of ...

Establishes a major copper hub in southern Arizona with the addition of the Cactus project to Hudbay’s existing Arizona business, including the ...

Mitsubishi is shelling out nearly $600 million as a joint venture partner for an expanded copper mine project in Arizona. The Copper World mine – a project from Toronto-based Hudbay Minerals – is an ...

Trump called those opposing the mine ‘Anti-American’ and said the country needs copper ‘NOW!’ Opponents of the mine, including the San Carlos Apache Tribe, said they will never stop fighting to ...

The federal government ceded control to Arizona of "injection wells," a technology important in water management, mining and carbon capture. State environmental authorities will now take charge of the ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min Mitsubishi is putting up nearly ...