Zeldin caps off his 50-state EPA tour promoting “American comeback" reforms, but environmental groups contest Trump's EPA and ...

Pima County is proposing new regulations to manage truck traffic on unpaved roads near the proposed Copper World mine.

The planet’s premier climate conference is happening right now in Brazil, as world leaders negotiate ways to reduce warming emissions and reckon with the exploding data center industry. Phoenix Mayor ...

Residents of Haystack Ranches have filed an appeal to the Arizona State Land Department, asking the state to overturn an ...

Many global companies, including retailer Walmart, are continuing their climate policies, but often doing so quietly to avoid ...

While Trump scraps US climate policies, companies still face pressure from states, other countries and their customers. That ...

The decision comes as the nation grapples with what its transition to cleaner energy sources should look like — or if it ...

Detroit — Making electric vehicles and their batteries is a dirty process that uses a lot of energy. But a new study says that EVs quickly make up for that with less overall emissions through two ...

Tucson, incorporated in 1877, is considered Arizona's oldest city. The Old Oraibi Village, settled by the Hopi Nation around A.D. 1100, is one of the oldest continuously inhabited communities in the ...

PHOENIX (AZFamily) — Families who rely on food stamps or other food assistance from the government may have to find other ways to feed their families beginning next month as the government shutdown ...

The Big 12 announced Tuesday that it has issued a public reprimand and fined Arizona State $50,000 after fans stormed the field following the Sun Devils' Week 8 upset win against Texas Tech. This is ...