Women who say they have not been fed for five days line up for food in Aug. 2016 at the Bakassi camp in Maiduguri, Nigeria. Sunday Alamba/AP hide caption
Oxfam
Poultry workers at major U.S. meat-processing plants are highly susceptible to repetitive-motion injuries, denied bathroom breaks and are most often immigrants and refugees. Earl Dotter/Oxfam hide caption
A worker stands in a construction project in a favela, or shantytown, in Rio de Janeiro, Brazil. The government has helped drive down income inequality by investing in basic services like health care, education and pensions. Mario Tama/Getty Images hide caption
Duncan Green, author of "How Change Happens." He says of activism: "There has to be a little part of you that acknowledges doubt, ambiguity and uncertainty. You have to have room to change direction." Ben de la Cruz/NPR hide caption
A 2014 photo shows shanty houses on a river bank in Jakarta, Indonesia, where Indonesian President Joko Widodo once pledged to close a fast-growing wealth gap. Bay Ismoyo /AFP/Getty Images hide caption
Tanzania's female farmers star in a reality show sponsored by Oxfam. YouTube hide caption
A campaign called Behind The Brands, led by Oxfam International, is trying to make the inner workings of the 10 biggest food companies in the world more visible to consumers. iStockphoto.com hide caption
Local villagers scavenging coal illegally from an open-cast mine in a village near Jharia, India, in 2012. Daniel Berehulak/Getty Images hide caption
Oxfam's "report card" evaluates giants of the supermarket aisle on their commitment to social and environmental issues. iStockphoto.com hide caption