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 |

También disponible en español Since the Great Recession of 2008, there has been a widespread sense of malaise among the American middle class. Their incomes are close to stagnant, employment has…

Francisco Ferreira |