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Asociaciones, Organizaciones Y Movimientos Juveniles
A great resource from Colombia that connects to various hispanic countries. Youth groups include the Red Cross, Boy Scouts - even rebellious groups!
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National Crime Prevention Council: Teens, Crime, and the Community
With a section for teens and one for adults, TCC offers information and resources aimed at reducing violence in the lives of teens--with their help.
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Cdrtcampos: Organizaciones Juveniles
Great site from Cdrtcampos that gives you a number of youth organizations to check out. Human rights, helping refugees, international organizations, you name it.