When journalist Mae Azango wrote about a secret women's circumcision ritual in Liberia, she received death threats.
Pastor Jean Enock Joseph doesn't shy from Haiti's toughest problems. His message: Haitians have the ability to help themselves.
Mario Morino wrote a little book that's had a big effect – urging nonprofit groups to prove that they're really doing what they say they're doing.
Christo and Lanie de Klerk have founded the Baby Moses sanctuary for abandoned babies in South Africa.