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 |

Imagine if, in 1799 – the year in which Napoleon seized power – a research institute had published its global forecasts for the next 20 years. Its researchers would have known about the tremendous…

Eliana Cardoso |