If you haven't noticed, Adrian Smith and Gordon Gill have been showing off some seriously green designs since leaving SOM* — this building is another such example.  One of their newest projects, Clean Technology Tower, builds on principles of biomimicry and utilizes technology and building systems to interact with the surrounding environment.  As you'll notice from the renderings below, wind turbines are located at the building's corners to capture wind at its highest velocity as it accelerates around the building.  The number of turbines in the structure increases as you climb up towards the apex, where there's a veritable wind farm!  Also at the top of the skyscraper, where winds are at a maximum, is a domed double roof cavity that captures air for the wind farm.  The dome itself is also clad in photovoltaic cells that harness the sun's energy.

Located near public and private transportation, Clean Technology Tower will house roughly 1.8 million sf of office and 300k sf of hotel space.  Although I'm not sure of the green skyscraper's precise location, Smith + Gill promises unparalleled views of Lake Michigan and the Chicago River from the dome atrium.  Imagine working in a building where you can take the elevator to the top, watch the turbines whirl away, and see the entire city.  It doesn't get much better than that. 

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