Freeport-McMoRan has a mining location south of Tucson near Sahuarita and a technology center in Tucson. The company has worked with Sahuarita Unified School District, supporting students to ...

Phoenix has a long history shaped by ancient civilizations, frontier expansion, and economic booms. The Hohokam built canals ...

Arizona Gold & Silver (TSXV:AZS) uncovered continuous gold mineralization with the potential for bulk-mineable grades from ...

Senior Judge Stephen McNamee of the U.S. District Court of Arizona on Monday ruled that ... permanent a 20-year moratorium against uranium mining that the Obama administration had imposed on ...

“The EPA needs to stop dragging its feet and hold South32 and the Arizona Department of Environmental Quality ... prospect being developed in a historic but previously abandoned mining district south ...

Gunnison Copper (TSX: GCU) and Rio Tinto technology venture Nuton LLC have been selected to receive $13.9 million in tax credits under the Qualifying Advanced Energy Project Credit Program to ...

Environmental and community groups have appealed the Arizona Department of Environmental Quality’s decision to grant an air ...

“The EPA needs to stop dragging its feet and hold South32 and the Arizona Department of Environmental ... a historic but previously abandoned mining district south of Patagonia.

The company’s extensive list of assets includes significant mining operations like the Morenci mineral district in Arizona, the Cerro Verde operation in South America and the Grasberg mineral ...

Environmentalists who oppose the expansion of mining also have their allies in Congress. Rep. Betty McCollum, D-4th District ... as well as a copper mine in Arizona and another project in Alaska ...

Shutterstock It’s More than Just an Old Mining Town Located just 11 miles from the Mexican border and 90 miles southeast of ...