On Wednesday, November 14, we joined more than 170 volunteers at the World Bank’s Washington, D.C. headquarters to draw little red boxes on a map of Alajo—a small town in the coastal metropolis of…

Lorenzo Piccio, David Charles Tucker |

Every minute, dozens of people in East Asia move from the countryside to the city. The massive population shift is creating some of the world’s biggest mega-cities including Tokyo, Shanghai,…

Axel van Trotsenburg |