Windy City Wind Turbine Greenway Parking Garage's wind turbine system, viewed from below. via Fast Company

Chicago was nicknamed the Windy City because of its blowhard politicians, not the powerful gusts off Lake Michigan. But a new parking garage took the name to heart regardless and installed this amazing helix-shaped wind turbine system inside the building, making urban turbines not only cool, but functional.

This summer, 12 turbines started spinning at Greenway Self-Park, which bills itself, somewhat oxymoronically, as Chicago's first Earth-friendly parking garage. Read more »