The Compassionate Friends are holding a worlwide candle lighting for all the children that have died. From their website:
Communities across the globe will be joining in The Compassionate Friends
10th Annual Worldwide Candle Lighting on December 10, 2006"
I checked and there will be several services throughout California:
http://www.compassionatefriends.org/2006_WCL/2006wcl_events.htm#-%20CALIFORNIA%20-

