http://www.un.org/

http://www.undp.org

http://www.unesco.org

http://www.unicef.org/

http://www.un.org/millenniumgoals/

http://www0.un.org/News/

http://www.unv.org/

http://www.onlinevolunteering.org/en/vol/index.html

http://www.unwire.org/