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 |

A man holds his family's "red book, " the land use rights certificate in Vietnam, which includes both his and his wife's names. (Photo by Chau Doan / World Bank) Ground-…

Jorge Muñoz |

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 |

​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 |

The stat is appalling: [[tweetable]]1 in 3 women worldwide have or will experience intimate partner violence or non-partner sexual violence in their lifetime.[[/tweetable]] Although it may take…

Sweta Shrestha, Ram Devineni, Isabel Santagostino, Margarita Puerto, Rocio Calidonio |

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 |

On March 3rd we will celebrate World Wildlife Day. Adopted by the UN General Assembly in 2013, this day raises awareness of the world’s wild fauna and flora. This year’s theme, "The future of…

Claudia Sobrevila |

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 |