[[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 |

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 |

Upon completion of the MOSE project in 2018, a series of flood gates between Venice's Lagoon and the Adriatic Sea will protect the city from high tide and storm surges. Credit: NASA Venice…

Linh X. Le |

Also available in: Arabic | French | Spanish Rows of solar panel at a thermo-solar power plant in Morocco. (Photo: Dana Smillie / World Bank)Over the past several years much has been written about…

Sameh Mobarek |

Ancient cities, like Mohenjodaro in modern-day Pakistan, emerged relatively recently in human history (photo courtesy of Saqib Qayyum used through a Creative Commons license.)​ The growth of large…

Chandan Deuskar |

On the eve of Earth Hour, taking place this Saturday 23 March, WWF this week announced the City of Vancouver in Canada as its Global Earth Hour City Challenge Capital 2013 at an award ceremony in…

Jim Leape |