Work partners Jon Chintanaroad (left) and Mike Prestano are all smiles now, but founding a tech startup together threatened their friendship — and their business. April Dembosky/KQED hide caption

itoggle caption April Dembosky/KQED

At the Pelican Hill golf resort in Newport Coast, Calif., water conservation is an obsession. Yuki Shimazu/Flickr hide caption

itoggle caption Yuki Shimazu/Flickr

People who oppose repealing the personal belief exemption gathered outside California's Capitol in Sacramento on Wednesday. Pauline Bartolone/Capital Public Radio hide caption

itoggle caption Pauline Bartolone/Capital Public Radio

Los Angeles is trying out 100 of these new parking signs for six months. They're supposed to help streamline the current system. (See photo below.) Sam Sanders/NPR hide caption

itoggle caption Sam Sanders/NPR

Joshua Haggmark, Santa Barbara's water resources manager, is in charge of getting the city's desalination plant back online. Becky Sullivan hide caption

itoggle caption Becky Sullivan

The Rev. Vernon Holmes leads a Lutheran congregation near Sacramento, Calif., that supports the state's right-to-die bill. He describes his faith as promoting quality of life. Andrew Nixon/Capital Public Radio hide caption

itoggle caption Andrew Nixon/Capital Public Radio

Morning traffic makes its way toward downtown Los Angeles along the Hollywood Freeway, past an electronic sign warning of severe drought. California Gov. Jerry Brown introduced the state's first mandatory water reduction measure this week. Richard Vogel/AP hide caption

itoggle caption Richard Vogel/AP

Palm Springs houses like this represent classic midcentury modern style. Interest in the architecture, art and style of decades past is fueling Palm Springs' rising popularity among younger people. Keith Daly/Flickr hide caption

itoggle caption Keith Daly/Flickr

Female and male Marines prepare for a live-fire exercise at Twentynine Palms, a training camp in the Mojave Desert. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

United HealthCare wants to get on the Covered California bus, but the state marketplace isn't inclined to allow insurers on board that weren't part of the launch in 2014. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

Sara Martín reads bedtime stories with her children. When the kids were younger, she says, staying up to date on their frequent immunizations was tough, because of cost and transportation issues. Lauren M. Whaley/CHCF Center for Health Reporting hide caption

itoggle caption Lauren M. Whaley/CHCF Center for Health Reporting

Leah Russin, of Palo Alto, Calif., holds her son, Leo, 16 months, as she speaks Wednesday at a news conference in support of proposed state legislation that would require parents to vaccinate all school children. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP