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 |

"We have electricity for two hours every 24 hours, " says a high-ranking energy official in Gaza.  Up to just 10 years ago, Gaza enjoyed full, round-the-clock electricity supply 24 hours…

Sara Badiei |