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Asarco worker killed in equipment crash at Green Valley mine

A 41-year-old Asarco employee was killed Thursday night in a crash at the open pit mine west of Sahuarita. The Pima County Office of the Medical Examiner identified the man as Gabriel Benitez of Tucson. ... Read more»

Court rejects Arizona’s challenge to EPA-imposed emissions rules

The Environmental Protection Agency was within its rights to impose certain standards on industrial sites in Arizona in place of state rules meant to ensure visibility in federal parks, a federal appeals court ruled.... Read more»

ASARCO, feds agree on $150 million cleanup for Hayden smelter

ASARCO will fund up to $150 million in pollution improvements at its Hayden smelter and pay millions more toward local environmental projects to settle federal government charges that the plant violated Clean Air Act standards.... Read more»

Appeals court slashes award against ASARCO in sexual-harassment case

A federal appeals court Thursday slashed the damages that mining company ASARCO had been ordered to pay a former employee who successfully sued the company for sexual harassment at an Arizona mine.... Read more»

As Az mining increases, mine-related toxic releases grow

Arizona metal mining and manufacturing produced 84.5 million pounds of toxic chemicals in 2011, a 34 million pound increase over two years. It reflects a spike in mining, but while environmentalists say it shows a need for regulation, miners call the numbers needlessly frightening. ... Read more»

El Paso's old smokestacks have avid fans

Two smokestacks in El Paso — remnants of the smelting company ASARCO — remind many residents of a legacy of environmental damage. But to a local group, the stacks, now slated for demolition, are landmarks worth saving.... Read more»

EPA posts secret 'watch list' that includes chronic polluters

The Clean Air Act “watch list” is secret no more. Just days after iWatch News, NPR and TucsonSentinel.com reported that the EPA maintains an internal list that includes serious or chronic violators of air pollution laws that have not been subject to timely enforcement, the agency posted the list on its website.... Read more»

As Az and EPA clash, Hayden awaits relief from toxic air

In some Hayden families, generations claim to have suffered ill effects from air pollution from the town's copper smelter. Deaths from cancer are common. Now the feds are moving against Asarco when the state wouldn't, which could mean millions in fines for the copper giant. (with video)... Read more»