Western Area Power Administration has started work on a power line access road.
They're now allowed to roam only in Eastern Arizona, southwest New Mexico.
Report recommends county give $1.56 million to fund park's most pressing repairs.
A contentious maintenance project that would involve clearing vegetation from land west of Tumamoc Hill won’t start until November, according to a spokesperson from the Western Area Power Administration.
Utility work could bulldoze a mile-long, 100-foot-wide section.
It's more fun when you "labor with your neighbor."
Barney Burns was also a supporter of native cultural traditions.
An Altar Valley conservation group has reached a financial agreement with Kinder Morgan and will withdraw opposition to the company’s Sierrita gas pipeline.
Ronald Rayner has been fascinated with water since he was a boy on his father’s farm in Goodyear. Now a partner on the family farm, A Tumbling-T Ranches, he has found a way to conserve water and double production since 1980.
This week’s big pulse of water into the long-parched Colorado River Delta will be one of the most studied water releases ever.
Meeting the drinking-water needs of Arizona’s future population will force residents to live with trade-offs. But as more people move here and are born here, they may not have a choice, state officials say.
The reintroduction of bighorn sheep to the Catalina Mountains has gotten off to a deadly and controversial start — with two bighorns killed by mountain lions, two predatory lions killed by state-sponsored hunters and many citizens voicing scathing criticisms of the project.
The Arizona Game and Fish Department will get about $10 million over a decade from Rosemont Copper for land, water rights and wildlife projects to compensate for impacts of the proposed Rosemont Mine, the department announced Tuesday.
The proposed Rosemont Mine has gained a preliminary thumbs-up from the U.S. Fish and Wlidlife Service, with a new draft biological opinion saying that the mine isn’t likely to jeopardize the existence of any of nine endangered species including the jaguar or destroy jaguar critical habitat.
Pima County will spend $284,000 to save horned lizards and other critters from an untimely and premature squishing at a west-side construction site.
Pima County is planning to protect regal horned lizards and their habitat along with other desert creatures.
Tucson International Airport plans to install a solar-powered canopy over its entire main public parking lot over the next couple of years with the help of federal and state grants.
WASHINGTON — The 6-day-old giant panda cub that died at the National Zoo had liver abnormalities and fluid in its abdomen, but zoo officials said Monday that they don’t yet know the cause of death.
A mountain lion lounges - clearly alert, but utterly relaxed - in its enclosure at the Arizona-Sonora Desert Museum.
Jim and Ann Konz of Kansas City, Kan., check out the vistas from the museum's Coati Kid Clubhouse on the Desert Loop Trail.