A measure to ban geoengineering in Arizona has been amended to allow cloud seeding, which has been under study for years.

HS Student-Athletes of the Week features wrestlers, soccer and basketball players from across Southern Arizona, including ...

As Arizona contends with one of the most severe ... which is modifying weather,” said Sandy Bahr, the director of the Sierra Club’s Grand Canyon Chapter.

New wind turbines would not be allowed within 12 miles of any site zoned for residential use, putting much of the state off-limits.

A Republican lawmaker is pushing a bill that would deregulate helium mining to the benefit of a company with ties to the ...

Deluge Technologies Inc. wants to build four projects, all involving the desalination of seawater or brackish — highly salty — groundwater. The company estimates its proposals could provide Arizona ...

The Arizona Game and Fish Department and the Game and Fish Commission are backing a bill to strip the state’s wildlife agency ...

The freeze means some contractors in Arizona who have installed home rooftop ... who have to do the work," Xavier Boatright, the Sierra Club's deputy legislative director for clean energy and ...

This story has been updated to add new information. President Donald Trump signaled Wednesday that big cuts are coming at the Environmental Protection Agency, saying EPA administrator Lee Zeldin ...

Martinez grew up in Sierra Vista, Arizona. He attended and played baseball ... he wasn’t able to stay on the major league club for a full season. As a pitcher who had multiple options available ...