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9th Circuit upholds 'landmark' ruling blocking Rosemont copper mine

In a win for environmental groups and three Native American tribes,, a federal appeals court has upheld a ruling that halted the long-controversial Rosemont open-pit copper mine in the Santa Rita Mountains about 30 miles southeast of Tucson.... Read more»

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Tribes file for restraining order to block Rosemont mine expansion in Santa Ritas

Rosemont Copper's move to expand its operations in the Santa Rita Mountains south of Tucson faces a new challenge after the Tohono O'odham Nation, Pascua Yaqui Tribe and Hopi Tribe asked a federal court to block the company from grading the slopes and dumping fill material in dry washes. ... Read more»

Enviros argue Rosemont's push to mine to west side of Santa Ritas violates federal law

Led by Center for Biological Diversity, environmental groups filed a notice of intent—a prelude to a federal lawsuit—against Rosemont Copper, arguing the company violated federal law.... Read more»

What the Devil Won't Tell You

Rosemont Mine marches through slings and arrows just when Tucson's aquifer can afford it least

I'm sympathetic to keeping mines in the U.S. where we can see them, but less on board with punching half-mile deep holes in aquifers as Tucson's water future looks brackish.... Read more»1

New 'endangered' finding for native plant could hamper Rosemont Mine

A "striking" succulent is one of several rare species that may yet derail the Rosemont copper mine after the U.S. Fish and Wildlife Service said the plant should receive protection under the Endangered Species Act. ... Read more»

#CoveringClimateNow

Cease: System change needed to fight climate change

Tucson mayoral candidate Mike Cease: "Climate change is the most catastrophic environmental, social and economic crisis that the human species has ever faced."... Read more»

Rosemont mine suffers another setback in decade of legal battles

The U.S. Army Corps of Engineers suspended a Clean Water Act permit for the proposed Rosemont Mine site in southern Arizona, the latest development in more than a decade of legal challenges from tribes and environmental groups.... Read more»

Guest opinion

Morgan: Gov't must be an ally for effective economic development

Joseph Morgan: "As a candidate for House of Representatives in Congressional District 2, I rejoiced to see the recent announcement of Tucson-based Diamond Ventures Phase I development of their Rocking K Master-Planned Community in the foothills of the Rincons."... Read more»

Judge tosses out Rosemont mine plan, blocks construction

A federal judge ruled Wednesday that the Forest Service "improperly evaluated and misapplied" federal law, leading to "an inherently flawed" approval of a long-controversial open-pit copper mine in the Santa Rita Mountains southeast of Tucson.... Read more»

Sentinel editor interviews Huckelberry on Buckmaster

TucsonSentinel.com's Dylan Smith joined Dan Shearer of the GV News in interviewing the Pima County administrator on the radio on Friday.... Read more»

Rosemont plan approved — but here's why it might not happen fast

Hudbay Minerals said Thursday that it has received the approved Mine Plan of Operations for the proposed Rosemont mine project, the final step in the permitting process.... Read more»

After 11 years, activists & owners still digging into legal battle over Rosemont Mine

A proposal for a massive open-pit copper mine in the Santa Rita Mountains south of Tucson will be back in court this month as opponents challenge permits for the project, the latest twist in the battle over the Rosemont Mine.... Read more»

Enviro suit: Rosemont Mine would destroy jaguar habitat

Tucson's Center for Biological Diversity filed suit Monday, charging that the Trump administration violated federal rules when considering the environmental effects of an open-pit copper mine in the Santa Rita Mountains about 30 miles southeast of Tucson. ... Read more»

Video: Wild jaguar 'Sombra' seen again in S. Az mountains, confirmed to be male

Video of a endangered wild jaguar released Thursday shows a big cat that was first photographed by a trail camera late last year. Dubbed "Sombra" by Tucson schoolkids, the jaguar was captured on tape in the Chiricahua Mountains. Later in the day, officials announced the cat is a male.... Read more»

Another new jaguar spotted in S. Arizona mountains

A previously unknown jaguar is prowling the mountains of Southern Arizona, officials confirmed — the second documented within months and the third photographed here since 2012. The big cat was photographed by a trail camera in November in the Dos Cabezas Mountains, about 60 miles north of the border.... Read more»

Environmentalists criticize proposed jaguar recovery plan

Environmental groups are criticizing the details of a proposed jaguar recovery plan released Monday by the Fish and Wildlife Service, arguing the plan is too weak to protect the species from extinction. Two wild male jaguars recently spotted in Southern Arizona are the only known jaguars in the country.... Read more»

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