Paul Ingram

Dust blowing from the site of the under-construction Project Blue data center in Tucson led to a contractor being put on notice of potential $10,000 daily fines for violating an air quality permit.

Contractors carving a border wall through the Coronado National Memorial may have ignited a wildfire last week that consumed around 60 acres of the protected landscape.

An affiliate of Beale Infrastructure plans to draw as much as 31 million gallons of water from the local aquifer — equivalent to around 384 households — and applied for permit to drill on the site of the planned Project Blue data center in Tucson, according to the No Desert Data Center Coalition.

Pima County Administrator Jan Lesher sent out a barrage of letters on Friday, telling investors and the heads of Mitsubishi about problems facing Copper World before a forthcoming feasibility study demonstrating the Southern Arizona mine's future.

In an 11-page complaint, the environmental organization said U.S. Fish and Wildlife Service failed to declare the tiny springsnail as endangered, violating the Endangered Species Act and a congressionally mandated deadline.

U.S. Customs and Border Patrol selected Rosario "Pete" Vasquez to serve as chief of the U.S. Border Patrol, according to an announcement on Monday.

An immigration judge in Tucson dismissed the federal government's removal proceedings on Wednesday against Karla Toledo, a DACA recipient who faced deportation after she was arrested by U.S. Immigration and Customs Enforcement officers last month.

Pima County joined a lawsuit in Maryland filed on Wednesday, challenging the Trump administration's proposed changes in enforcement of the Affordable Care Act.

The Tucson City Council agreed to create a new office for economic development and tapped Lane Mandle, chief of staff for the city manager, to lead the effort.

The owners of a Tucson mobile home park agreed to pay $795,000 in restitution, penalties and fees for a faltering electrical system that left tenants unable to cool their homes during sweltering summer temperatures, Arizona AG Kris Mayes announced Monday.