Volunteer Opportunities                                               

Atlas Corps - Change your perspective.  Change the world:

http://www.atlascorps.org

Idealist.org - a great portal to everything regarding improving the human condition:

http://www.idealist.org/

Volunteer Match:

http://www.volunteermatch.org/

Volunteer Solutions:

http://www.volunteersolutions.org/

USA Freedom Corps:

http://www.usafreedomcorps.gov/for_volunteers/find_opps/index.asp

US Peace Corps:

http://www.peacecorps.gov/