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 |

Also available in: Español | Français  [[tweetable]]Basic infrastructure makes all the difference in the lives of people. Sometimes a road is all it takes…[[/tweetable]] [[tweetable]]Access to…

Sameh Wahba, Rafeef Abdel Razek |

Are judicial reforms worth doing? It turns out, we cannot be sure, but we have a story to tell about a reform, its impact, and the impact of having measured that impact.

Florence Kondylis, Laurent Corthay |

A growing number of students in South Asia and Sub-Saharan Africa are enrolled in private primary or secondary schools. The World Development Report 2018 (on which I was a co-author) highlighted…

David Evans |

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 |

Many urban residents these days will find it hard to imagine a life without mobile apps that help us locate a restaurant, hail a cab, or find a subway station—usually in a matter of seconds

Xueman Wang |

  Amina and her family in Dakar, Senegal have a metered private water tap in their yard,   but they don’t use it. (Photo: Sumila Gulyani / World Bank) Amina and her family had recently moved to…

Sumila Gulyani |

  When we think of urban expansion in the 21st century, we often think of ‘sprawl’, a term that calls to mind low-density, car-oriented suburban growth, perhaps made up of single-family homes.…

Chandan Deuskar |

Last week, Mali announced a national strategic plan to scale up Community Health Workers in every region of the country. This initiative has the potential to save tens of thousands of lives,…

Quentin Wodon |