Yvonne Aki-Sawyerr OBE was sworn in May 2018 with a commitment to transform the city of Freetown using an inclusive, data-driven approach to address challenges in the city.

Alejandra Gutierrez |

From farms to towns, women are a major provider of food and food security for their families, but women in half of the world still struggle to access their equal land and property rights in spite…

Nana Ama Yirrah |

Mexico City has increased investment in green infrastructure, but it will take attracting additional investments from the private sector to increase sustainability and improve services for people…

Diana Alarcón González |

According to the World Bank’s What a Waste 2.0 report, waste generation is expected to grow by 70% by 2050, while our global population is expected to grow at less than half of that rate.

Sameh Wahba, Silpa Kaza, Kremena M. Ionkova |

South Asia is home to some of the world’s countries most vulnerable to climate change. In the past decade alone, nearly 700 million people—half of the region’s population—were affected by one or…

Ditte Fallesen, Haris Khan, Ahsan Tehsin, Atishay Abbhi |

The U.S. public financial management (PFM) system evolved out of various controversies. One of these controversies was a dispute between Alexander Hamilton and Thomas Jefferson about how much…

Fedja Pivodic, Moritz Piatti |

Medical emergencies are often a race against time. When minutes can make the difference between life and death, access to resilient roads is critical to ambulances and other essential services.…

Jun Erik Rentschler, Paolo Avner, Nicholas Jones |

Disasters can erase decades of hard-won development gains in a matter of seconds, with a painful and costly impact that can last for years, and even generations to come. Today, around 90% of urban…

Sameh Wahba, Mami Mizutori |

Maps tell compelling stories. And they certainly make a compelling case for further investment in digital connectivity in Africa, where $100 billion would be needed to achieve universal broadband…

Roku Fukui, Christopher James Arderne, Tim Kelly |