Phoenix hit 100+ degrees for 30% of 2024, setting heat records as climate change worsens Arizona's extreme weather crisis ...

WASHINGTON (AP) — Legally mandated U.S. national climate assessments seem to have disappeared from the federal websites built ...

Hot, dry Arizona has long been considered "ground zero" for climate change impacts.

DINGMAN: You mentioned obviously the impacts here in Arizona of things like the changes to plant regulations. How much leeway ...

Also, Arizona’s 3.23 degree rise in annual average temperature made it the nation’s third-fastest-warming state from 1970 to 2018, the analysis by Climate Central finds. The nonprofit ...

Arizona is no stranger to heat, but recent temperature spikes are breaking records and raising serious climate concerns. Are we witnessing the start of a dangerous new normal? Discover what’s ...

Desalination, conservation, recycling: Vice President Kamala Harris travels to drying Lake Mead to press for climate and drought relief.

President Donald Trump's tax and policy bill could slow Arizona's clean energy industry, but companies aren't talking.

The Climate Prediction Center (CPC) issued its monthly forecast for the monsoon, and the new update is less optimistic about above-normal rainfall in Arizona.

Even before the crash, Arizona leaders warned that the state's economy was ill-equipped to deal with the changing marketplace, The Arizona Republic reported in 2007.