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

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

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

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

itoggle caption Hector Retamal/AFP/Getty Images

Jacqueline Syra has been living in the La Piste camp for three years. She says she has no idea when she will be able to leave. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Hurricane Sandy's tear across the Caribbean left at least 54 dead in Haiti, where many people still live in tents because of damage from the 2010 earthquake. Thony Belizaire/AFP/Getty Images hide caption

itoggle caption Thony Belizaire/AFP/Getty Images

Thousands of doses of cholera vaccine sit in a refrigerated trailer in a United Nations compound in Saint-Marc, Haiti, in March. After some delays, a vaccination project proved successful. John Poole/NPR hide caption

itoggle caption John Poole/NPR