Brazil's bishops launched a campaign to aid victims of severe flooding that has left more than 500 people dead.
Mentally and physically disabled children and adults in Mexico continue to live in abusive and squalid conditions.
Erwin Kräutler, a Catholic bishop, received the Right Livelihood Award for his work defending the rights of indigenous people in Brazil.
Making African farmers reliant on proprietary, genetically modified seeds "stands out like a new form of slavery," said Cardinal Peter Turkson.
Many of the travelers were children whose mothers left Guatemala years ago to earn money to send back to their families.
Migration done properly could “contribute to greater gender equality and to the empowerment of women.”