The Burj Al-Taqa Energy Tower in Dubai will be the first zero emission tower in the world. Designed by Deutsch architects, Eckhard Gerber, this tower utilizes sun, wind, and water as energy resource. The 68-story tower is 322 meter high and become on of the most innovative building in the middle east. But as mentioned by inhabitat.com, the proposed design depend on unproven technology and untested materials. Uhm..