Parents want their kids and teens to care about others - whether at school, in their community, or in need a continent away. The good news is that children "are sort of hard-wired" to want to help others, says Michael Ungar, author of "The We Generation: Raising Socially Responsible Kids." "They want to take on responsibility." From a second grade environmentalist to a 21-year-old peacemaker, here are profiles of five young people changing the world.
