A Taiwan company has opened its first U.S. plant. The $100 million, west Phoenix facility will produce chemicals needed in ...

Ten states elect their public utility commissions, which make big decisions about energy. This November, the stakes are high, especially in Arizona and Louisiana.

Taiwanese semiconductor chemical supplier Sunlit Fluo & Chemical Co. Ltd. announced the opening of its first manufacturing ...

In the waning days of the 2024 presidential election, even the bipartisan bill that's pouring $54 billion into the ...

Its hard to point to a direct link between Ukraine-linked defense spending and a state’s support to a candidate. Maybe ...

Electricity rate increases for two big utilities including Tucson Electric Power accelerated in recent years, intensifying ...

Climate change may cause fall leaves to change later, putting trees at risk for frost damage. Even if they change on time, ...

"I'm loving every minute of this," said Melissa Semper, who is in a pipefitter apprenticeship she found through Fresh Start ...

A typical large tree can suck as much as 88 pounds of carbon dioxide out of the air over the course of a year. Now scientists at the University of California, Berkeley say they can do the same job ...

Manufacturer offering 500- to 1,500-gallon septic tanks, 600- to 1700-gallon cisterns, and 550- to 5000-gallon water tanks.

In the heart of this stunning area lies Red Rock State Park, a 286-acre natural sanctuary that showcases Arizona’s desert ...

Climate change is threatening America's parks with sea level rise and wildfires. Here are five of the most endangered ...