Houses under construction. © John Hogg/World Bank [[tweetable]]Affordable housing is a major challenge across West Africa, where fewer than 7 percent of households can afford to buy their own home…

Martin Spicer |

Hurricane Matthew destroyed an estimated 90% of homes in Haiti's Grande Anse department. Stronger public knowledge infrastructure can help better facilitate post-disaster recovery. (Photo: EU…

Luis Triveno, Klaus Deininger |