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

Several important websites hosting US national climate assessments have gone offline, hindering access to crucial climate ...

The most recent report, issued in 2023, included an interactive atlas that zoomed down to the county level. It found that ...

Congress passed a massive tax and spending cuts package Thursday that curbs billions of dollars in spending across clean ...

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

Websites for the national assessments and the US Global Change Research Program were offline on Monday and Tuesday.

California and six other states that use water from the Colorado River are nearing a 2026 deadline to come up with new rules for sharing shrinking supplies.

Environmental advocacy groups from throughout the Valley gathered at South Mountain Community College Thursday night to share ...