"Northern California regulators on Wednesday directed two of the state’s largest oil refineries to slash their fine particulate air pollution, which will require costly modifications at the plants."

"Last September, a wildfire tore through one of Dario Sattui’s Napa Valley wineries, destroying millions of dollars in property and equipment, along with 9,000 cases of wine. November brought a second disaster: Mr. Sattui realized the precious crop of cabernet grapes that survived the fire had been ruined by the smoke. There would be no 2020 vintage."

"California officials are warning nearly all juvenile chinook salmon in the Sacramento River could die due to abnormally hot underwater conditions as heat waves continue to bake the West."

"Global warming has already left its mark on the backbone of California’s water supply, and represents a growing threat to its first developed agricultural region, state experts have warned in a new study."

"Seventeen million gallons of untreated sewage were discharged into California’s Santa Monica Bay between Sunday evening and early Monday morning, spurring beach closures, as well as criticism of how health officials notified the public about potential safety risks."

"Before his corpse was dumped in a shallow grave 50 miles north of Los Angeles, Mauricio Ismael Gonzalez-Ramirez was held prisoner at one of the hundreds of black-market pot farms that have exploded across California’s high desert in the last several years, authorities say."

"Firefighters working in searing heat struggled to contain the largest wildfire in California this year while state power operators urged people to conserve energy after a huge wildfire in neighboring Oregon disrupted the flow of electricity from three major transmission lines."