Below are the 2011 1st, 2nd, and 3rd place winners.
The first place was awarded to Atelier CMJN (Julien Combes, Gael Brule) from France for their LO2P Recycling Skyscraper in New Delhi, India. The project is designed as a large-scale wind turbine that filters polluted air with a series of particle collector membranes, elevated greenhouses, and mineralization baths.
The second place was awarded to Yoann Mescam, paul-eric Schirr-Bonnans, and Xavier Schirr-Bonnans from France for a dome-like horizontal skyscraper that harvests solar energy, collects rainwater, and preserves the existing urban fabric at ground level thanks to its large skylights and small footprint.
Third place was awarded to Yheu-Shen Chua from teh United Kingdom for a project the re-imagines the Hoover Dam in the U.S. as an inhabitable skyscraper that unifies the power plant with a gallery, aquarium, and viewing platform that engages the falling water directly.
These are just a few of the amazing entries submitted. Check out the others here!