Chicago (TGW) – Foundation work has begun on the Chicago Spire, a rotating residential building that is likely to achieve an LEED Gold Rating.



Upon completion, the spire will be the world’s second tallest building.



The building will have many green elements, including a fluid facade shrouded in high performance glass, a rainwater recycling system, high energy efficiency, a intelligent building and management systems, waste storage and recycling management, monitored outdoor air delivery, and a geothermal power system.



The building’s design is based on nature, the architect of the building said.



Via :: Inhabitat :: Wikipedia