As bulldozers and heavy equipment accelerate the pace of destruction on properties owned by Hudbay Minerals in the Santa Rita Mountains, environmental groups, local tribes and agricultural interests in the region continue the fight to halt mining operations there. Read more»

A federal appeals court rejected Rosemont Copper's bid for a new hearing on its mining project southeast of Tucson, keeping a ruling in place which effectively halted the long-controversial mine in the Santa Rita Mountains. Read more»

The 15-year struggle over proposed mining activities in the Santa Rita Mountains continued to play out in June, as Toronto-based Hudbay Minerals, the Biden Administration and environmental groups continue to engage in legal wrangling and shifting priorities. Read more»

Rep. Raúl Grijalva pushed the Army Corps of Engineers to take immediate action against Rosemont Copper, telling federal officials they "cannot remain on the sidelines," and must review the company's efforts to "hastily" grade and fill dry washes on a chunk of private land along the western reaches of the Santa Rita Mountains. Read more»

A federal judge dismissed a pair of lawsuits filed by three Native American tribes and an environmental coalition over Rosemont Copper's move to expand its mining operations to "Copper World" on the western slopes of the Santa Rita Mountains south of Tucson. Read more»

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»

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»

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»

Despite widespread resistance from the city of Tucson, Pima County, multiple environmental groups and Indigenous tribes throughout Southern Arizona, Canadian-based Hudbay Minerals continues to push its Rosemont Mine project through roadblocks hoping to get final approval. Read more»

Federal regulators on Friday rejected a mining company’s request to reduce critical habitat for endangered jaguars in the Santa Rita Mountains on land that overlaps the footprint of the proposed Rosemont Copper Mine. Read more»

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

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»

The U.S. Forest Service told a federal appeals court Monday that the Rosemont Copper Co. should be allowed to put mine waste on federal land near its claim in Arizona. Read more»

A federal judge has overturned environmental permits for the proposed Rosemont Copper Mine, saying the U.S. Fish and Wildlife Service failed to consider the mine’s impact on several endangered species in the Santa Rita Mountains. Read more»

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»