Here is one orange county option for the National Day of Service PE-Obama has called for on MLK day - January 19th, 2009
Santiago Park Nature Preserve Habitat Restoration
http://www.volunteercenter.org/projects/viewProject.php?_mode=occurrenceView&_action=load&ixActivity=1041&_setFlag=specialevent&_clearFlag=course&ixAffiliateRegion=&sZipcode=&bAvailable=&dtBegin=&dtEnd=&PHPSESSID And for those of us who don't think going outside and digging around in the dirt is healthy:
Disaster Relief supply sorting and packing
http://www.volunteercenter.org/projects/viewProject.php?_mode=occurrenceView&_action=load&ixActivity=1044&_setFlag=specialevent&_clearFlag=course&ixAffiliateRegion=&sZipcode=&bAvailable=&dtBegin=&dtEnd=&PHPSESSID That's all I've found so far, but I think that the habitat restoration might be fun as a group (for those of you who go outside).