Special thanks
to our supporters

  • NewsMatch
  • Ernie Pyle
  • Regional Transportation Authority/Pima Association of Governments
  • Fund for Investigative Journalism
  • Ida Tarbell
  • Beth Borozan
  • Alan Fischer
  • Dennis & Patricia DeConcini
  • John Osborne
  • Diane C Taylor
  • John Paul Jones
  • & many more!

We rely on readers like you. Join them & contribute to the Sentinel today!

Hosting provider

Proud member of

Local Independent Online News Publishers Authentically Local Local First Arizona Institute for Nonprofit News

More than 2.8 million Arizona residents — or 44 percent of the state’s population — live within areas that are most vulnerable to a catastrophic accidental release of gaseous, and sometimes explosive hazardous chemicals. The toxic agents, which the EPA deems extremely hazardous, are stored in more than 100 facilities and, when released, can cause temporary blindness, searing pain, suffocation, and even death. Read more»

One year after a fertilizer plant explosion devastated the town of West, Texas, questions remain about the safety and security of hazardous chemical storage facilities. This includes Arizona’s largest ammonium nitrate facility, Apache Nitrogen, southeast of Tucson in St. David. It houses more than 80 million pounds of the chemical but didn’t disclose, as is required, its list of hazardous materials to local firefighters. Read more»

Tens of thousands of ballots cast in Arizona’s 2012 election were rejected by elections officials, indicating continued communication and voter education problems in the state, according to an analysis of rejected ballots and interviews with elections experts and legislators. Read more»

The Apache-Sitgreaves National Forests, left, sustained severe damage and tree death from the 2011 Wallow Fire. The stands on this side of the forest were dense with trees, brush and downed limbs. Most of the trees to the right, or west of this fence on reservation land, survived. Experts say decades of forest-management on the Fort Apache Indian Reservation made possible a backfire that halted the Wallow Fire’s western advance.

Along the line between the Fort Apache Indian Reservation and the Apache-Sitgreaves National Forests, the westward expansion of the Wallow Fire slowed and stopped. Experts credit management of tribal forest for keeping the fire off the reservation. Read more»

The Sonoyta mud turtle, an endangered species candidate, is limited to a small pond of water along the U.S.-Mexico border in Arizona’s Organ Pipe Cactus National Monument. A recent court agreement between the Center for Biological Diversity and the U.S. Fish and Wildlife Service could expedite the listing of threatened plants and animals to the endangered species list.

With barely a half-acre of waist-deep water near the U.S.–Mexico border as its only habitat remaining in the U.S., the Sonoyta mud turtle is struggling to survive in one of Arizona’s driest regions. Read more»

The Wallow Fire burned for more than a month and scorched 538,049 acres across eastern Arizona, including more than 15,000 acres in New Mexico. The Apache County Board of Supervisors passed a resolution last week declaring a state of emergency and accusing federal and state agencies of inadequate forest management based on ill-advised environmental policies.

Citing wildfires and floods that have devastated portions of Apache County, leaders there say they plan to thin national forests themselves and bill the federal government. Read more»

A landscape in Grand Canyon-Parashant National Monument.

A federal judge struck down claims by environmental groups Monday that questioned the federal government’s plan to protect plants and animals within two national monuments in the Arizona Strip. Read more»

A landscape in Grand Canyon-Parashant National Monument.

The federal government’s plan to manage two national monuments in the Arizona Strip doesn’t sufficiently protect the environment or endangered species, a group of conservation organizations told a judge Wednesday. Read more»

The Phoenix Zoo has bred more than 400 black-footed ferrets over the past 20 years, helping to revive a species once thought extinct.

Over the past 20 years the Phoenix Zoo has bred hundreds of black-footed ferrets, helping to revive an endangered species that was once thought to be extinct. Read more»

Solar panels fill the roof of a parking structure across the street as project managers for Ameresco, a sustainable energy advising company, analyze solar panels on the roof of Wells Fargo Arena on Arizona State University’s Tempe campus. The installation is just one of dozens of solar panels that have been installed on roofs of ASU’s parking structures and buildings.

ASU is installing 2,100 solar panels on the roof of Wells Fargo Arena, boosting the university's solar energy capacity to 10 megawatt-hours. The Sun Devils have 40,000 solar panels that generate about 5 percent of ASU’s total annual energy consumption. Read more»

The juvenile red-tailed hawk that was rescued from the Wallow Fire three months ago flies away from its transportation carrier within Estrella Mountain Regional Park. The animal was discovered in a homeowner’s backyard, when residents returned after evacuating for the Wallow Fire.

Less than three months after the Wallow Fire, a red-tailed hawk flew swiftly back into the wild at the Estrella Mountain Regional Park after recuperating at the Arizona Game and Fish Department’s Adobe Mountain Wildlife Center. Read more»

Craig McMullen, wildlife recreation branch chief for the Arizona Game and Fish Department, said the agency has worked hard to get hunters and municipalities ready for a new law that allows hunting in undeveloped areas within cities and towns.

Armed with shotguns and high hopes, thousands of hunters began heading to Arizona’s open spaces Thursday for early dove-hunting season. Read more»

The Endangered Species Finder mobile application is one of four apps the center has released to educate people about conservation. The app is free and is currently designed for Android mobile devices.

The Tucson–based Center for Biological Diversity is using mobile technology, including geolocation, to help people learn which of the nation’s more than 1,300 threatened and endangered species are nearby. Read more»

Arizona Gov. Jan Brewer, shown here with Smokey Bear, visits the Big Lake General Store in the White Mountain region to announce that the area is open for business. More than 500,000 acres burned in the Wallow Fire.

Gov. Jan Brewer was on hand when Big Lake General Store and its surroundings reopened Wednesday, proclaiming that the area burned by the largest recorded wildfire in Arizona history is ready for visitors. Read more»