Eco Factor: Sustainable skyscraper generates solar and wind energy. Eco-conscious architect Addler Elizalde Lozano has designed a self-sufficient skyscraper for Madrid that generates on-site renewable energy. Dubbed the Faceted Ecological.
Bahrain World Trade Center. The Bahrain World Trade Center is a 787 ft. high, twin tower complex located in Manama, Bahrain. The towers were built in 2008 by the multi-national architectural firm Atkins.