Twenty-one of Arizona's 22 tribes oppose Resolution Copper. Here's why the Oak Flat mine will harm Arizona's water, land and ...

The Resolution Copper mine in Arizona plans to use a large amount of groundwater, potentially jeopardizing the planned Superstition Vistas development and its water supply. Arizona law allows mining ...

In a news release issued March 16, the U.S. Department of Agriculture’s Forest Service says it has completed the Southeast Arizona Land Exchange and issued the final record of decision for the ...

Reaching the site of the biggest undeveloped US copper deposit requires a 15-minute drop by steel cage into the sweltering bowels of the Arizona desert. There, more than a mile beneath the surface, ...

Carrying eagle feathers and chanting prayers, Western Apache runners hit the road on a roughly 80-mile journey this month to try to save their sacred land from being fast-tracked by President Donald ...

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SUPERIOR, Ariz., March 16, 2026 /PRNewswire/ -- The U.S. Forest Service and Resolution Copper, a joint venture owned by Rio Tinto and BHP that represents one of the world's most significant untapped ...