Climate

Less than two months after the removal of dams restored a free-flowing Klamath River, salmon have made their way upstream to begin spawning and have been spotted in Oregon for …

Days after the administrator of the U.S. Environmental Protection Agency visited a Los Angeles public housing project with lead-contaminated water, the agency ordered drinking water systems nationwide to replace every …

A weak La Niña is forecast to appear this winter and affect weather patterns across the country, likely bringing drier-than-average conditions in much of the Southwest and wetter-than-average conditions in …

A federal judge has struck down the latest Bureau of Land Management plan to manage off-roading routes in the Mojave Desert, saying it didn’t provide adequate protections for the dwindling …

For more than a century, the sprawling Phillips 66 oil refinery complex has dominated a vast tract of southern Los Angeles County. Its massive fuel storage tanks, distillation towers and …

WASHINGTON  —  The Supreme Court on Wednesday cleared the way for a climate-change rule adopted by the Biden administration that would force coal-fired power plants to cut their carbon pollution …

“Two white guys in suits, two interchangeable politicians? It makes little difference who wins.” As the 2000 presidential election approached, two of my closest friends wouldn’t budge from this cynical …

MEAD VALLEY, Calif. —  Seen from above, the industrial-scale warehouses straddling Interstate 215 where it intersects Mead Valley shimmer like a sprawling lake of white concrete boxes. In this unincorporated Riverside …

Republican lawmakers are urging California environmental regulators to delay action on new policies that could push gasoline prices up by nearly 50 cents a gallon. The California Air Resources Board …

Nine years ago, when an aging oil pipeline ruptured near the coast of Santa Barbara County, an inky darkness spread over the waters. The massive slick of oil engulfed and …