From a viewpoint at about 6,190 feet above sea level, a giant hole in the Oquirrh Mountains stretches two and a half miles wide and ¾ of a mile deep. Trucks with tires bigger than a sedan look like ...

In a future defined by climate change and its consequences, some experts say Arizona will need copper mines for the wires in solar panels, desalination plants for reclaiming salty groundwater, and ...

Copper mining is crucial for modern infrastructure, but traditional methods have a steep environmental cost. Mining ...

Harmony Gold Mining Company acquired 100% of the project and 16 exploration tenements from Copper Mountain Mining Corporation in December 2022. The Eva mine has been declared a ‘prescribed project’, ...

Mining giant Vale has obtained a preliminary license for its Bacaba project, the first step toward doubling its copper production in the Brazilian Amazon over the next decade. Experts warn the ...