"Scientists cannot yet predict when the next deadly earthquake will strike, but emergency response authorities in California plan to unveil the first statewide quake warning system Thursday, which marks the 30th anniversary of the 1989 Loma Prieta earthquake."

"Brendan Cummings doesn’t need to go far to find a dying signature of Southern California’s desert landscape: He stands on his porch and eyes whole forests of Joshua trees that haven’t produced seedlings in decades."

"When the Environmental Protection Agency administrator, Andrew Wheeler, accused California of allowing “piles of human feces” on city streets to contaminate sewer systems, leaders of the agency’s West Coast region hastily convened an all-hands meeting of the San Francisco staff."

"California Governor Gavin Newsom said on Monday that utility Pacific Gas and Electric Co should be held accountable for mismanaging last week’s widespread power shutoffs and urged the company to provide credits or rebates to affected customers."

"Three people have died at the scene of Southern California wildfires this week, authorities said Saturday, as firefighters aided by diminishing winds beat back a blaze on the edge of Los Angeles that damaged or destroyed more than 30 structures and sent a blanket of smoke across a swath of neighborhoods."

"California will be the first state to ban the sale and manufacture of new fur products and the third to bar most animals from circus performances under a pair of bills signed Saturday by Gov. Gavin Newsom."

"California Gov. Gavin Newsom on Saturday signed a law intended to counter Trump administration plans to increase oil and gas production on protected public land."

"Power shutoffs affecting more than 1 million residents, scheduled by PG&E this week throughout the San Francisco Bay Area and Northern California, have sparked a massive backlash, with many community members telling reporters that they are shocked that the company has not done more to upgrade its transmission lines."

"Beginning in early 2020, California will ban the sale of the pesticide chlorpyrifos which state environmental officials say has been linked to brain damage and other health defects in children."

"PG&E is warning residents across Northern and Central California of widespread power shutoffs this week that will affect up to 800,000 customers. The preemptive power shutoffs come amid concerns of high fire risk due to gusty winds and dry conditions."