Check out what UNCG and Greensboro are doing to be sustainable:
http://sustain.uncg.edu/
http://www.greensboro-nc.gov/citygovernment/sustainability

Also, visit these sites for more sustainability ideas:
http://disney.go.com/disneygroups/friendsforchange/#/disneygroups/friendsforchange/
http://www.simplesteps.org/#tk-switchboard-blog
http://www.powerhousemuseum.com/education/ecologic/games.htm