December 20, 2019 7:09 pm Carbon Dioxide: The Invisible Indoor Air Pollutant Poor ventilation and air quality in California’s schools could be impacting students’ health and academic performance. Jessica Aguirre reports. US & World Videos 2:59 2 San Jose police officers shot, injured in gunbattle at hotel 1:46 Pursuit standoff causes traffic backup in Solano County 3:23 UC Davis finds brain sizes are growing 3:36 Waymo expands driverless taxi service 5:21 A closer look: 2 police officers shot, injured in San Jose
