A vast network of dams and canals run by the state and federal governments carries water to farmers and cities across ...

Not all Californian coastal areas are moving lower. The Santa Barbara groundwater basin, which has been continuously ...

Days after Donald Trump was elected to a second term, Arizona Gov. Katie Hobbs headed to the Mexican border with a ...

The Northwest’s largest hydropower supplier announced it intends to join a new day-ahead energy market based in Arkansas over ...

How do we know the House’s pro-Republican skew has disappeared? One common measure of bias, the efficiency gap, compares the parties’ respective shares of “wasted” votes: those cast either for losing ...

Governor Newsom ordered the updated maps to address the "new reality of extremes" in California's wildfire landscape. The maps, last updated in 2011, will inform new land-use and building ...

(The Center Square) - The Arizona Senate Wednesday passed Senate Bill 1309, which aims to prevent California-style blackouts. The vote was 17 to 12. One senator did not vote. State Sen. Frank ...

New wind turbines would not be allowed within 12 miles of any site zoned for residential use, putting much of the state off-limits.

"California’s resilience means we will keep updating our standards in the most fire-prone areas." The maps are divided into Fire Hazard Severity Zones—moderate, High, or Very High—and ...

PHOENIX (AZFamily) — A bill that would help fund repairs needed at Arizona Diamondbacks’ Chase Field in downtown Phoenix took a significant step toward becoming law on Wednesday. The Arizona ...

A private company launched another lunar lander Wednesday, aiming to get closer to the moon’s south pole this time with a drone that will hop into a jet-black crater that never sees the sun ...