The World Bank recently co-organized Sierra Leone's first-ever Resilient Urban Mobility Hackathon, where talented youth came together together to tackle transport challenges through the use…

Fatima Arroyo Arroyo, Xavier Espinet, Dunstan Matekenya |

“Freetown lacks proper public transport and infrastructure.” During the rainy season of May through November in Sierra Leone, many Freetown students who live far from school are at the mercy of…

Fatima Arroyo Arroyo, Xavier Espinet |

Evidence is clear that climate change is changing weather patterns, increasing the frequencies and intensities of extreme weather events. Unfortunately, those in the poorest communities are…

Ivan Bruce |

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 |

From Canada to Kenya, nearly every country struggles to provide housing for all its residents. It’s a goal that has become a moving target: Migration – both rural-to-urban and cross-border – is…

Luis Triveno, Olivia Caldwell |

When our team started working in Freetown one year ago, we found very limited data on how people move or what are the public transport options to access jobs and services from different…

Fatima Arroyo Arroyo, Xavier Espinet |

Also available in: Español | Français  | 中文  Machine learning algorithms are excellent at answering “yes” or “no” questions. For example, they can scan huge datasets and correctly tell us: Does…

Sarah Elizabeth Antos, Luis Triveno |

Areas affected by the August 2017 mudslide in Freetown, Sierra Leone. (Photos: Robert Reid and Ivan Bruce / World Bank) On August 14, 2017, after three days of intense rain, a massive side slope…

Alvaro Federico Barra, Ivelisse Justiniano |

In 2017-18 we visited the Meta department in Colombia on multiple occasions. Located right where Colombia’s Llanos Orientales (Eastern Plains) disappear south into the vastness of the Amazon…

Erwin de Nys, Nicolás Salazar |