Nearly a week after oil was first reported off the coast of Orange County, investigators still have not been able to determine exactly how much crude has spilled into the Pacific. Tar balls have been spotted further south in San Diego County, but it's unclear if they're from the oil spill. During the pandemic, people have taken up lots of new hobbies and activities. That includes yoga. And some yoga instructors have found ways to create culturally sensitive spaces for students of color, in an industry where many feel white westerners have co-opted the practice.  Reporter: Gabriella Frenes, The California Report  As COVID-19 cases decline in California, Los Angeles County health officials are encouraged by another metric -- more teenagers are getting vaccinated. In the past month, there was a 5% increase in Latino 12-15 year olds receiving the free shots. The percentage was similar for Native American children in the same age group, followed by Black children.  Reporter: Jackie Fortier, KPCC  Bay Area public health officers say the Delta COVID-19 surge is subsiding. So now, it’s time to talk about an exit strategy for indoor mask mandates. Reporter: Raquel Maria Dillon, KQED  Learn more about your ad choices. Visit megaphone.fm/adchoices