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8 historic buildings that are environmentally friendly

By: Josh Lew on Oct. 11, 2013, 5:07 p.m.
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The Sullivan Center, Chicago

One of the finest examples of classic Chicago-style architecture, the Sullivan Center (formerly known as the Carson, Pirie, Scott and Company Building) features ornate decorative metal work and the almost excessive use of windows. The building was originally constructed as a retail space and housed Carson's Department Store until 2006. Today, it is still used for retail purposes, though it also houses offices.

The building fell into a state of disrepair in recent times, but an extensive restoration effort has given the iconic structure much of its luster back. In addition to external renovations (which garnered praise from design and architecture experts), the building benefited from a major greening effort that earned it LEED certification. Sitting in the heart of Chicago on State Street, the building remains a major site for architecture enthusiasts who come to the surrounding Loop area in search of classic buildings that hearken back to Chicago's heyday.