As the world rushes to reduce the negative impacts of climate change, ambitious sub-national actors are rising to the fore. The recent One Planet Summit exemplifies this trend. Earlier this month…

Prashant Kapoor, Marc Forni |

As the world becomes increasingly urbanized, the number of megacities is growing rapidly. Today there are 37 cities worldwide with populations of greater than 10 million, and 84 with populations…

Philip E. Karp, Peter Ellis, Barjor Mehta |

In Brazil, a woman trained through the School of Women Leaders explains to her neighbors what she has learned. Photo: Maria do Carmo Carvalho / Habitat for Humanity [[tweetable]]Despite the fact…

Jane W. Katz |

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 |

  Rzeszow, Poland. (Photo by Terra Libera via Flickr Creative Commons) On May 31 we had the pleasure of presenting the first phase of the Poland Catching-up Regions Program, an initiative of the…

Anna Wellenstein, David Sislen |

[[tweetable]]Medellin, Colombia is experiencing an extraordinary transformation.[[/tweetable]] Although it was known during the 1980s and most of the 1990s as the most violent city of the world,…

Ede Ijjasz-Vasquez, Pamela Sofia Duran Vinueza |

​Today, a quarter of the world’s population lives in urban “agglomerations”—supersized metropolitan areas that cut across jurisdictional boundaries and bring together one or more cities along with…

Ede Ijjasz-Vasquez, Philip E. Karp, Maria Angelica Sotomayor |

For the first time in history, the number of people living in extreme poverty has fallen below 10%. The world has never been as ambitious about development as it is today. After adopting the…

Sri Mulyani Indrawati |

Over the last 20 years, economic growth has helped to lift almost a billion people out of extreme poverty. But 1 billion people are still extremely poor. 1.1 billion live without electricity and 2…

Sri Mulyani Indrawati |

Over the past decade, illegal poaching of wildlife has quickly caught up to habitat destruction as a leading cause of wildlife loss in many countries.   Poaching African elephants for ivory…

Samuel Wasser |