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 |

Also available in: Français | Español | العربية The premise behind the Sustainable Cities photo competition was simple. [[tweetable]]We wanted to learn what people around the world “see” when they…

Xueman Wang, Dini Djalal |

Cities in Africa are growing at unprecedented speeds. In Kenya, about 12 million of the country’s over 40 million people live in urban areas today. However, [[tweetable]]a child born in 2017 will…

Ede Ijjasz-Vasquez, Dean Cira |