Despite the rubble and lack of permanent housing in post-quake Haiti, one positive sign is the vast number of children who have been able to return to school. Marisa Penaloza/NPR hide caption

itoggle caption Marisa Penaloza/NPR

A guard stands outside a prototype "transitional" housing model at the resettlement camp in Corail-Cesselesse, outside Port-au-Prince. World Vision along with several other aid agencies has developed these small dwellings, intended to house families of up to five people. Marisa Penaloza/NPR hide caption

itoggle caption Marisa Penaloza/NPR

A Mexican soldier stands guard as a haul of marijuana and cocaine are incinerated in the background in November 2009. Fighting among the drug cartels — and between government forces and the cartels — has cost nearly 24,000 Mexican lives since late 2006. Jesus Alcazar/AFP/Getty Images hide caption

itoggle caption Jesus Alcazar/AFP/Getty Images

Baker Bertrand Houlier with the sweet treats and breads he sells at the Montgomery Farm Women's Cooperative Market in Bethesda, Md. Marisa Penaloza/NPR hide caption

itoggle caption Marisa Penaloza/NPR