The Mission Valley Community Plan is getting an update. It calls for increased mixed-use development that is pedestrian-friendly and helps residents make better use of public transit. Firefighters face a number of dangers on the job, but they’re also at an increased risk for developing cancer. And, for years, a distinguished UC San Diego economist has wanted to stop young girls in Kenya from undergoing genital mutilation by offering their families money to college. The study keeps getting rejected. Also, members of the Trump administrations got a firsthand look at Los Angeles’s sprawling homeless problem and the efforts to control it as the president directed his staff to find solutions to address homelessness. And, new research finds California’s network of Marine Protected Areas is doing exactly what it was designed to do — allow marine life to rebound. Plus, going on a guided hike while listening to meditative music is a thing and it’s coming to San Diego.