Eric Eckl's Water Words That Work
Peter Mitchell's Marketing For Change
Fostering Sustainable Behavior - Community Based Social Marketing
Track Center for Marketing Public Programs - A federal community dedicated to promoting the public good.
RARE - Inspiring Conservation: http://www.rareconservation.org/
EPA Social Marketing Webcast
Environment Canada's Social Marketing Web site
http://www.toolsofchange.com/
England's National Social Marketing Centre
http://www.nsmcentre.org.uk/