A U.S. district judge on Friday denied the latest request by a Native American tribe, environmentalists and other plaintiffs to stop the federal government from transferring land in Arizona for a ...
A U.S. appeals court has temporarily blocked the transfer of federal forest land in Arizona to a pair of international companies that plan to mine one of the largest copper deposits in North America.
Upcoming 50% tariffs on semi-finished and derivative copper products start August 1. Chile, Canada, and Mexico are top U.S. copper sources, potentially impacting tariffs' effects. Copper import ...