The death toll from Cyclone Idai that ripped into Mozambique, Zimbabwe, and Malawi in March 2019 is now above 1, 000, with damages estimated at $2 billion. In 2018, more than 10, 000 people lost…

Abhas Jha |

Photo: The central square of the old town. Brasov. Transylvania. By Ann Stryzhekin/ Shutterstock When U.S. Commodore Matthew Perry arrived in Yokohama in 1854, it was a backwater village in Japan…

Marcel Ionescu-Heroiu, Yuko Okazawa |

Our planet is undergoing a process of rapid urbanization, and the next few decades will see unprecedented growth in urban areas, including in urban infrastructure. Most of the growth will take…

Maninder Gill, Vincent Roquet |

Editorial credit: alionabirukova / Shutterstock.com Last week, the world came to attention when the famous Hulene dumpsite in Maputo, Mozambique collapsed under heavy rains, killing at least 16…

Silpa Kaza, Lisa Yao |

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 |

[[tweetable]]How fast is your city growing? The answer may depend on where you live.[[/tweetable]] There are the booming megacities such as Tokyo, Mumbai, and Nairobi. Then there are cities that…

Ede Ijjasz-Vasquez, Paula Restrepo Cadavid |

The buzz around satellite imagery over the past few years has grown increasingly loud. Google Earth, drones, and microsatellites have grabbed headlines and slashed price tags. Urban planners are…

Sarah Elizabeth Antos, Nancy Lozano Gracia, Ana I. Aguilera |

In the previous blog, we discussed how remote sensing techniques could be used to map and inform policymaking in secondary cities, with a practical application in 10 Central American cities. In…

Sarah Elizabeth Antos, Nancy Lozano Gracia, Ana I. Aguilera |

This page in: Français Credit: Tracy Ben/ Shutterstock “At 14:28:04 on May 12, 2008, an 8.0 earthquake struck suddenly, shaking the earth, with mountains and rivers shifted, devastated, and parted…

Sameh Wahba, Luis Benveniste |