The copper giant is dealing with soft prices.
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Federal regulations will cut sulfur dioxide emissions 85 percent at the smelters.
Freeport-McMoran Copper & Gold will terminate its operational lease for the Queen Mine Tour, a popular Bisbee tourist attraction.
Phoenix-based Freeport-McMoRan Copper & Gold Inc. is cutting spending by $1.9 billion this year and next and started a process to sell some U.S. energy assets as the world's biggest publicly traded copper miner seeks to reduce its debt.
High winds that sent huge dust clouds swirling last week caused Pima County to exceed federal air-quality standards for the first time in nearly four years, county officials said.
Mining giant Freeport McMoRan Copper & Gold Inc. plans to transfer about 100 employees from Safford to a newly acquired facility in Tucson.
Copper consumption in China will contract this year for the first time since 2008 as demand falters and inventories climb in the largest user, before rebounding in 2013, according to Simon Hunt Strategic Services.
U.S. District Court for Arizona has approved a $6.8 million settlement that Phoenix-based Freeport McMoRan will pay over the past release of hazardous substances from the Morenci mine.
With copper prices dropping this year following a boom, copper company stock prices are taking a hit.