Masdar City is a project in Abu Dhabi, that will present the world’s first zero-carbon, car and skyscraper-free city. In Arabic Masdar means “the source” and refers to Masdar the company and Masdar City, being a source of knowledge, innovation and human capital development in the areas of renewable energy and clean technologies.

http://renewableenergyfacts.org/masdar-city-one-of-the-most-sustainable-communities-on-earth/