Beef prices are at record highs and rise shows no signs of slowing. Here's why you are seeing high prices at Arizona grocery ...

A relentless drought across Arizona has left people who hunt acorns finding smaller harvests and weaker trees.

An unseasonably strong storm could drop a month's worth of rain across the Pacific Northwest. Winds associated with the storm ...

As concerns about Arizona’s water future grow, the state’s public universities and the Arizona Board of Regents (ABOR) are ...

Federal officials are expected to project next year's water shortage on Aug. 15. Arizona doesn't expect to lose more until at ...

Much of the Intermountain West region is in drought accounting for 73% of the area, and the widespread drought is expected to ...

Arizona has more fire, less rain and more pollution. And it could get even worse if Trump's EPA rescinds greenhouse gas regulations.

A study analyzing tropical tree ring data found that trees experienced diminished growth in years of drought. The trees can rebound in wetter years, but that comes with a catch.

Lake Powell is in danger of reaching critically low water levels, which could affect many Americans on the west coast. The ...

The Trump administration has taken aim at the "endangerment finding," which has allowed for federal regulations on climate change pollution.

Satellites show the world’s continents are drying fast, with groundwater loss now outpacing glacier melt in driving sea level ...

A planned facility in north Phoenix to recycle wastewater into drinking water is getting $179 million from the federal ...