Aweofeso Adebola (in white shirt) and Ifeoluwa Ayomide (in cap) pose with some of the kids in their education program in Abuja, Nigeria. Linus Unah for NPR hide caption

Chris Junior Anaekwe, right, with three volunteers. They picked up trash in their city of Onitsha, Nigeria, for World Environment Day on June 5. Chris Junior Anaekwe hide caption

Rosy does dishes — voluntarily. Getting the 2-year-old involved in chores did lead to the kitchen being flooded and dishes being broken. But now she is still eager to help. Michaeleen Doucleff/NPR hide caption

Tima Kurdi holds her necklace bearing a photograph of her nephews, Alan (left) and Ghalib Kurdi. She is the author of The Boy on the Beach: My Family's Escape from Syria and Our Hope for a New Home. Ben Stansall /AFP/Getty Images hide caption

Kennedy Odede (in blue shirt) is dancing for a good reason. The charity he and his wife started has been awarded the $2 million Hilton Humanitarian Prize. He's joined by residents of Kibera, the neighborhood in Nairobi where his nonprofit group provides educational, health and clean water services. Anwar Sadat hide caption

Cedric Habiyaremye and his mother, Agnes Mukankwaya, on a quinoa farm in Rwanda. Cedric Habiyaremye hide caption

Jorge Odón, inventor of the Odón Device — described in a past NPR story as a tool for "popping a baby out like a cork." Pearl Mak/NPR hide caption

Durga has just earned her undergraduate degree. Because of her accomplishment, the groom and his family have said they no longer consider her a good match. "They are scared of an educated bride," says Durga's father, Lumbaram. Swati Vashishtha for NPR hide caption

After an earthen floor is put down, it is covered with an oil-based floor sealant that hardens and makes it easy to clean. Jacques Nkinzingabo/Courtesy of EarthEnable hide caption

Bet you think it's pulled pork! But in fact it's jackfruit baked with barbecue sauce and served up on Hawaiian rolls. Ben de la Cruz/NPR hide caption

Godwin Ndosi rents out rooms at his parents' house to guests around the world through websites like Airbnb. He's standing with one of his international visitors. Courtesy of Godwin Ndosi hide caption

Faith with her beloved tomato seedlings. Courtesy of the family hide caption

Amponsah believes that "God heals and the people heal themselves." He says his role as a surgeon is to facilitate the healing process. Jason Beaubien/NPR hide caption

The typical asymmetrical lymphedema (lower limb swelling) seen in podoconiosis. The skin on the affected limbs is thickened with warty and mossy nodules. The toes are disfigured with joint fixation typical of advanced podoconiosis disease. Christine Kihembo/ASTMH & AJTMH hide caption