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Development officials: Caterpillar could haul more companies to Tucson

Caterpillar Inc.'s move to Tucson is creating a lot of buzz. Since the manufacturer announced plans in May to move a major division and about 600 jobs to Tucson, about 10 other companies have begun looking at locating here too, officials said.... Read more»

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Enviros, tribal activists hail EPA’s Superfund designation for Gold King Mine

Environmental and tribal activists welcomed the government’s announcement Wednesday that it had designated the Gold King Mine a Superfund site, advancing the cleanup of an area contaminated by a multimillion-gallon toxic spill last year. ... Read more»

EPA announces plans for next phase of Navajo uranium cleanup

Federal officials took the first step last week toward a planned $1 billion cleanup of abandoned uranium mines in and around the Navajo Nation, seeking bids to assess the problem and begin planning the project.... Read more»

Arizona's economic growth slowed in 2015, as copper mining took a hit

Arizona’s economy grew in 2015, but at a much slower rate than it did in 2014 — the state’s gross domestic product grew 0.9 percent to reach $294.2 billion in 2015, but that was half the 1.8 percent rate of growth the state experienced in 2014. Arizona’s growth was also well below the national rate of 2.4 percent last year.... Read more»

Tribes, Grijalva ask Obama to protect 1.7M acres at Grand Canyon

Tribal leaders joined Rep. Raul Grijalva on Tuesday urging President Barack Obama to designate 1.7 million acres around the Grand Canyon as a national monument, bypassing Congress in the process. ... Read more»

McCain, Kirkpatrick blast EPA over Gold King spill

U.S. Sen. John McCain and U.S. Rep. Ann Kirkpatrick are accusing the EPA of neglect for the agency’s response to Navajo communities after a Colorado mine spill polluted the San Juan River last August.... Read more»

Feds begin environmental review of proposed Resolution Copper mine

The U.S. Forest Service has started its formal review of the environmental impact of the proposed Resolution Copper mine, but opponents charge the outcome of the process is “already pre-ordained.”... Read more»

Oak Flat historic designation a win for mine opponents, but fight continues

Opponents of a proposed copper mine at the Oak Flat campground scored a point when it was listed on the National Register of Historic Places this month – but while they won the battle, they haven’t won the war.... Read more»

Despite sagging demand, officials see shiny future for copper

Copper is one of the pillars of Arizona’s economy, but falling demand has depressed prices. More than 1,000 workers were recently let go at mines here and in New Mexico, but the company planning the large open-pit Rosemont Mine in the mountains southeast of Tucson is forging ahead.... Read more»

'No other water' — Navajo drinking from uranium-contaminated wells

Residents of Sanders, Ariz. residents know their water contains dangerously high amounts of uranium, but with no other source — they are still using it.... Read more»

G.I. Dough

U.S. spent $500M on Afghan mining with ‘limited progress’

The United States has spent nearly half a billion dollars and five years developing Afghanistan’s oil, gas and minerals industries — and has little to show for it, a government watchdog reported.... Read more»

Sonora River

Health impacts continue 1 year after toxic mine spill in Mexico

It’s been more than a year since a toxic mine spill, dubbed as the worst environmental disaster in Mexico’s history, contaminated the Sonora River. Communities are now pushing back against the mine and the government to protect their families and the lands they call home.... Read more»

Sierrita mine shutdown confirmed, to put 1,000+ out of work

More than a thousand Southern Arizona miners will soon be on the unemployment line, with Freeport-McMoRan announcing Wednesday that the Sierrita open pit mine in Green Valley will be completely shut down. ... Read more»2

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»

Apache bring fight against Oak Flat mine back to Congress

Tribal officials renewed their calls to block a copper mine on Arizona land they consider sacred, telling lawmakers Wednesday it is not only a spiritual violation but bad precedent “for all of Indian Country.”... Read more»

Freeport-McMoRan to cut 430 jobs in GV, shut down Miami mine

Mining giant Freeport-McMoRan will lay off about 430 workers from the Sierrita open pit mine in Green Valley, and will explore the possibility of completely shutting down the mine. The company will also close down its copper mine in Miami, north of Tucson, officials said.... Read more»

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