The federal government is providing water to some large agricultural districts for free. In a new study, researchers urge the Trump administration to start charging more for water.
The U.S. Environmental Protection Agency has ordered the Los Angeles Department of Water and Power inspect nearly 100 drinking water reservoirs and storage tanks due to concerns over improper maintenance.
A landmark deal with Pacific Gas & Electric will extend the life of the state's remaining nuclear power plant in exchange for thousands of acres of new conservation in San Luis Obispo County.
The lawsuit filed Wednesday in Los Angeles Superior Court charges four oil companies with failing to properly clean up at least 227 idle or exhausted wells in the oil field near Baldwin Hills.
A new study found that in the Eaton and Palisades fires, homes that had already adopted proposed regulations on creating vegetation-free buffers were less likely to burn.
California wildlife officials are now allowing mountain lions to be killed to protect endangered bighorn sheep, changing a nearly decade-long practice of just moving them.
More buildings are going all-electric, especially in states trying to address climate change. UCI Health-Irvine, the largest all-electric hospital in the country, is opening Wednesday.