"California, Oregon and the federal government are working on a way around congressional barriers to the removal of hydroelectric dams on the Klamath River."

"Los Angeles prosecutors filed criminal charges against the Southern California Gas company on Tuesday over a huge methane leak near the city that has forced thousands of residents from their homes since October."

"Only 3 percent of the juveniles of an endangered salmon species survived the drought along the Sacramento River in 2015 despite extraordinary efforts by federal and state officials to save them, federal officials said Monday."

"Southern California Gas Co. knew of deteriorating wells at its underground methane storage facilities and warned state regulators of the risks almost a year before a massive, uncontrolled leak was discovered at its Aliso Canyon unit on the outskirts of Los Angeles."

"Regulators in California, home to more residential solar customers than any other state, agreed on Thursday to retain a system that compensates users of rooftop solar panels for their excess electricity."

"Congressman, environmentalists say California regulators endangered public health in telling SoCal Gas to maintain supplies for heating, electricity."

"A California utility failed to protect residents from the largest methane leak in state history at its natural gas field near Los Angeles, a regional pollution watchdog said in a lawsuit filed against the company."

"Monsanto Co stepped up its defense of a widely used weed killer on Thursday by filing a lawsuit in California seeking to prevent glyphosate, the main ingredient in its Roundup herbicide, from being added to the state's list of known carcinogens."

"Regional air quality regulators in California voted on Saturday to require the utility responsible for a ruptured underground pipeline in the Los Angeles area to underwrite an independent study on the health effects of a huge methane leak from the site."

"California’s attorney general is investigating Exxon Mobil on whether the company lied to the public and shareholders about the risks of climate change, and whether the company’s statements over the years constitute violations of securities laws and other statutes."