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 |

[[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 |

This page in: Arabic | Français | 中文 In a world divided over how to deal with such serious problems as terrorism, immigration, free trade, and climate change, governments agree on the urgency of…

Luis Triveno, Michael J. Lea |