Photo: Dane Macri/The Advocacy Project via Flickr CC. The relationship between poverty and disability goes both ways: [[tweetable]]disability increases the risk of poverty[[/tweetable]], and[[…

Charlotte McClain-Nhlapo |

In Mali, residents of Timbuktu take part in the maintenance of the Djingareyber Mosque, a World Heritage Site, applying traditional repair techniques. (Tiecoura Ndaou / UN Photo) Imagine a city…

Sameh Wahba, Barbara Minguez Garcia |

Ancient cities, like Mohenjodaro in modern-day Pakistan, emerged relatively recently in human history (photo courtesy of Saqib Qayyum used through a Creative Commons license.)​ The growth of large…

Chandan Deuskar |

On the eve of Earth Hour, taking place this Saturday 23 March, WWF this week announced the City of Vancouver in Canada as its Global Earth Hour City Challenge Capital 2013 at an award ceremony in…

Jim Leape |