Mineral extraction has become central to U.S. security and trade policy. But can Arizona mines extract minerals responsibly?

The Trump administration plans to move ahead with a land swap that would enable work to start on a huge copper mine at Oak Flat in Arizona.

Aside from concerns over damage to cultural resources, environmentalists call the area a “biological gem” and say that mining in the area would lead to extreme degradation. Peacey said the ...

Aside from concerns over damage to cultural resources, environmentalists call the area a “biological gem” and say that mining in the area would lead to extreme degradation. Peacey said the ...