[[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 |

Also available in: Русский | Română | Türkçe Ruins of the Church of Saint Paul, following the 1755 Lisbon earthquake. (Photo via Wikimedia Commons) [[tweetable]]Did you know that, in 1755,...

David Sislen, Alanna Simpson, Yann Kerblat |

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Tariq Khokhar |

[[tweetable]]When it comes to responding to disasters, time is of the essence.[[/tweetable]] Help needs to come immediately to save lives; recovery and reconstruction have to start swiftly to...

Zuzana Stanton-Geddes, Jolanta Kryspin-Watson |