Lawmakers are awaiting President Joe Biden’s signature on a bipartisan bill aimed at cleaning up abandoned mines around the ...

In a 5-2 decision, justices found the state complied with the Montana Water Use Act when it issued a permit for the Black Butte copper mine.

Canadian company Hudbay Minerals has secured an air quality permit from the Arizona Department of Environmental Quality (ADEQ ...

Mako Mining has agreed to acquire the Moss gold mine in the Oatman district in Arizona, USA, from EG Acquisition, a private ...