If passed by voters, the "California Nationhood. Initiative Constitutional Amendment and Statute" would remove state constitutional language making California part of the U.S. and require the governor to request admission to the United Nations. George Rose/Getty Images hide caption
Tom Coleman, who manages more than 8,000 acres of pistachio trees across California, is worried that warmer temperatures will affect his crops. Ezra David Romero/Valley Public Radio hide caption
Farmworkers head home after a day of picking at a large citrus farm near Bakersfield, Calif. Sean Havey/KQED hide caption
A storm dumped rain on Hollister, Calif., on Tuesday and Wednesday, but appeared to have blown through by Thursday. Marcio Jose Sanchez/AP hide caption
Vineyards remain flooded in the Russian River Valley in Forestville, Calif., on Monday. A massive storm system stretching from California into Nevada saw rivers overflowing their banks, flooded vineyards and forced people to evacuate their homes after warnings that hillsides previously parched by wildfires could give way to mudslides. Eric Risberg/AP hide caption
Until Sunday, visitors to Calaveras Big Trees State Park could walk through the tunnel in the Pioneer Cabin Tree. Tom Purcell/Flickr hide caption
Former Attorney General Eric Holder testifies on Capitol Hill in Washington in June 2012. Holder, now in private practice, has signed on to represent the California Legislature as outside legal counsel. J. Scott Applewhite/AP hide caption
Beverly Kurtz and Tim Guenthner live near Gross Reservoir outside Boulder, Colo. They oppose a an expansion project that would raise the reservoir's dam by 131 feet. Grace Hood/Colorado Public Radio hide caption
UCSF is laying off some of its IT staff and sending their jobs to a contractor with headquarters in India. Luciano Lozano/Getty Images/Ikon Images hide caption
Devin Greene sits in the front seat of an Uber driverless car during a test drive in San Francisco on Dec. 13. Eric Risberg/AP hide caption
Activists from UltraViolet, a national women's advocacy organization, push for the removal of Judge Aaron Persky from the bench in San Francisco in June. The judge has since been cleared of misconduct. Eric Risberg/AP hide caption
A protest against President-elect Donald Trump in Los Angeles last month. Democrat Hillary Clinton drew 61 percent of the vote versus Trump's 31 percent in the country's most populous state. Aurelien Meunier/Getty Images hide caption
An Intel advertisement on a Hewlett-Packard desktop computer in 2012. Paul Sakuma/AP hide caption
On Tuesday, an Uber driverless car waits in traffic during a test drive in San Francisco. The ride-hailing company is refusing to obey demands by the state's Department of Motor Vehicles that it stop picking up San Francisco passengers in specially equipped Volvo SUVs. Eric Risberg/AP hide caption
The epicenter of Thursday's earthquake was about 100 miles off the coast of Northern California. USGS National Earthquake Information Center hide caption