photo: Dominic Chavez/World Bank ​Consider this: By the time you had breakfast this morning, the world’s urban population grew by some 15, 000 people. This number will increase to 180, 000 people…

Keith Hansen |

This week in Doha, the marble corridors of the Qatar National Convention Center resonate with voices from around the world. Over half way through the UN Climate Change Conference, as ministers…

Rachel Kyte |