Center for Youth Development and Policy Research
http://www.aed.org/Topics/Youth/US/YouthDevelopment.cfm
Operates by three basic tenets: 1) problem-free is not fully prepared 2) academic skills are not enough 3) competence, in and of itself, is not enough. The site outlines the shifting of the public debate from youth problems to youth development. Resources include a definition of positive YD, mobilization strategies, and publications.