Also available in: Español Photo: Andy Shuai Liu/World Bank Invented over a century ago for exploring mountainous regions, aerial cable cars have recently made an appearance in several big cities…

Leonardo Canon Rubiano, Wenyu Jia, Georges Darido |

Also available in: Français | العربية   A boat trip from Port Elizabeth to Kingstown, in the Caribbean country of Saint Vincent and the Grenadines, is a one-hour trip that locals take several…

Valerie Lorena |

Follow the authors on Twitter: @chyiyunhuang and @shomik_raj   A recent trip to Addis Ababa really brought the imperatives of transit-oriented development as a complement to mass transit…

Chyi-Yun Huang, Shomik Mehndiratta |

This week in Doha, the marble corridors of the Qatar National Convention Center resonate with voices from around the world. Over half way through the UN Climate Change Conference, as ministers…

Rachel Kyte |