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The famed jaguar 'El Jefe' was observed by remote trail cameras in central Mexico last year.

A rare northern jaguar known for roaming Arizona's Santa Rita Mountains was recently observed central Sonora, Mexico, evidence of continued cross-border migration for the species. Read more»

A male monarch butterfly in South Tucson that Joe Billings tagged in 2018. Billings has spent more than twelve years tagging the now internationally endangered butterflies under the brand MonarchQuestAZ.

Southeastern Arizona has long been a hot spot to see migrating monarch butterflies, but the animals are now considered endangered internationally. Here's how you can help: Read more»

U.S. Rep. Raúl Grijalva during a press conference in April.

Rep. Raúl Grijalva asked the Justice Department to investigate a former Trump administration Cabinet member, saying he engaged in a quid-pro-quo relationship with a real estate developer, seeking campaign funds in exchange for a water permit needed for a massive housing project outside of Benson, Ariz. Read more»

An aerial photo of Rosemont's new effort to dump tailings and other rock waste into dry streams along the west-side of the Santa Rita Mountains.

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»

An aerial photo of Rosemont's new effort to dump tailings and other rock waste into dry streams along the west-side of the Santa Rita Mountains.

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»

An aerial photo of Rosemont's new effort to dump tailings and other rock waste into dry streams along the west-side of the Santa Rita Mountains.

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»

Alexandar Lofgren in a photo posted by U.S. Rep Raúl Grijalva on Facebook. Lofgren was working as a congressional aide for Grijalva when he died in a hiking accident in April.

The Alexander Lofgren Veterans in the Parks Act was named after Alexander Lofgren, an Afghanistan veteran who was working for U.S. Rep. Raúl Grijalva when he died in a hiking accident, and became law on Monday after President Joe Biden signed it into law with the National Defense Authorization Act. Read more»

Black-footed ferrets, once thought to be extinct, have slowly increased their numbers under state and federal management, but a sudden drop in the population of the one re-established group in Arizona has officials looking for new sites to lessen threats to the species.

Federal officials want to greatly expand habitats for black-footed ferrets in Arizona and possibly into neighboring states, but the endangered animal, once thought extinct, still faces several hurdles, including a "need to secure the prey and secure the habitat.” Read more»

A greenhouse housing hundreds of thousands of western white pine (Pinus monticola) seedlings.

Restoring forests in areas where they once stood is an important step toward halting climate change. It helps to ensure a host of other environmental services, too, like provision of clean air and water. But without significantly increased investment in tree nursery infrastructure, the U.S. will be unable to unlock its full reforestation potential, researchers are warning. Read more»

El Jefe, one of the few wild jaguars in the United States, was photographed in Arizona's Santa Rita Mountains.

After a years-long battle to protect the designation of stretches of the southwest as a protected habitat for the jaguar, a federal judge has ruled that the New Mexico land should no longer be protected for the largest New World cat. Read more»

A line of vehicles heads into the No More Deaths camp south of Arivaca, Arizona on Friday night, including an armored vehicle known as a Bearcat.

In a sunset raid Friday, dozens of Border Patrol agents used a helicopter and armored personnel carrier as they raided a No More Deaths camp near Arivaca, Ariz., arresting more than three dozen people who were receiving medical care, food, water and shelter. Read more»

A Border Patrol agent at the No More Deaths camp in 2017.

Border Patrol agents have once again raided the No More Deaths camp, detaining at least person Thursday at the group's permanent desert aid camp south of Arivaca. The humanitarian aid group called the raid an "escalation" from the agency after the release of documents surrounding a similar raid more than three years ago. Read more»

Attorney Greg Kuykendall and his client Scott Warren outside of the federal courthouse after a judge accepted a motion to dismiss the remaining misdemeanor charge against the No More Deaths volunteer.

Prosecutors dropped the only remaining charge against Scott Warren, ending the misdemeanor case against the No More Deaths volunteer just months after the government's attempt to charge him with two felonies case collapsed in November. Read more»

A Fish and Wildlife Services officer confronts volunteers with No More Deaths near Charlie Bell Pass, an area on the Cabeza Prieta wildlife refuge, west of Ajo, Ariz., on Aug. 3, 2018.

A federal judge reversed the convictions of four members of No More Deaths, finding that they successfully established they were exercising "sincere religious beliefs" when they placed water and food for migrants in an Arizona wildlife refuge in 2017. Read more» 2

Scott Warren at federal court in May.

The second federal felony trial of Scott Warren, a No More Deaths volunteer accused of harboring illegal immigrants in Arizona's western desert in 2018, continued Wednesday with closing arguments as both prosecutors and defense attorneys worked to convince the jury before they began their deliberations. Read more»

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