Health workers collect the body of a cholera victim in Petionville, Haiti, February 2011. The cholera outbreak in Haiti began in October 2010. Nearly 9,000 people have died. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Monique Yusizanna Ouz, 66, is going to have electricity for the first time in her life. Carrie Kahn/NPR hide caption

itoggle caption Carrie Kahn/NPR

During an October visit to Liberia, USAID head Rajiv Shah held a joint press conference with the country's president, Ellen Johnson Sirleaf. John Moore/Getty Images hide caption

itoggle caption John Moore/Getty Images

Injured revelers wait outside the General Hospital in Port-au-Prince, Haiti, early Tuesday. At least 18 people on a music group's packed Carnival float in the Haitian capital were reportedly killed when they were electrocuted by a power line, officials said. Dieu Nalio Chery/AP hide caption

itoggle caption Dieu Nalio Chery/AP

Nick van Praag of Ground Truth meets with locals of Pakistan's Sindh Province in 2013 to see if they're satisfied with efforts to help them recover from previous floods and prevent damage from any future ones. Kai Hopkins/Ground Truth hide caption

itoggle caption Kai Hopkins/Ground Truth

After the earthquake in 2010, about 1,000 people were living in tents on the median of Highway 2, one of Haiti's busiest roads. Five years later, tens of thousands of people in Port-au-Prince still live in tents and other temporary housing. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Chief nursing officer Marc Julmisse (in glasses) leads nursing rounds inside the neonatal intensive care unit of the University Hospital in Mirebalais, Haiti. Rebecca E. Rollins/Partners in Health hide caption

itoggle caption Rebecca E. Rollins/Partners in Health

Anti-government protesters carry the body of a demonstrator who was shot to death during clashes with the National Police in Port-au-Prince, Haiti, on Saturday. Prime Minister Laurent Lamothe says he will step down in response to protesters' demands. Dieu Nalio Chery/AP hide caption

itoggle caption Dieu Nalio Chery/AP

A Haitian woman holds cherries from a coffee tree. Haiti's coffee trade was once a flourishing industry, but it has been crippled by decades of deforestation, political chaos and now, climate change. Patrick Farrell /MCT /Landov hide caption

itoggle caption Patrick Farrell /MCT /Landov

Hedson Lamour, 28, prays with his color-coordinated band before performing. He entered the contest because his mom was a child slave. Frederic Dupoux for NPR hide caption

itoggle caption Frederic Dupoux for NPR

A mother and child pass through Batey Bembe in the sugar-producing region near the town of Conseulo. Bateys are small, isolated communities made up of sugar cane workers and their families, often consisting of three or four generations. Sarah Tilotta for NPR hide caption

itoggle caption Sarah Tilotta for NPR

Maman Pye cacao, a Haitian supertree, can produce 20 times as many cacao pods as ordinary trees, and the pods themselves are denser with cacao seeds than ordinary pods. Shutterstock hide caption

itoggle caption Shutterstock

A makeshift latrine hangs over the water at the edge of Cite de Dieu, a slum in Port-au-Prince, Haiti. John W. Poole / NPR hide caption

itoggle caption John W. Poole / NPR

Haitians protest against United Nations peacekeepers in Port-au-Prince in 2010. Hector Retamal/AFP/Getty Images hide caption

itoggle caption Hector Retamal/AFP/Getty Images

Boys at the L'Ecole Les Freres Clement elementary school in Jacmel, Haiti, line up to take deworming pills that protect against elephantiasis. Maggie Steber for The Washington Post/Getty Images hide caption

itoggle caption Maggie Steber for The Washington Post/Getty Images