Willis Tower looks to go green, from the rooftops on down

Growing up in the southwest suburbs, Sara Beardsley had a view of the Chicago skyline from her house. Today, she is transforming that skyline, but you won't find her work glorified on a $6 mug or gracing postcards.Most of her impact is invisible as she attempts to reduce one of the largest carbon footprints in Chicago -- that of Willis Tower. Beardsley, a senior architect at Adrian Smith + Gordon Gill Architecture in Chicago, is managing a $200 million to $300 million project to "green" the tallest building in the Western Hemisphere, according to a Nov. 1 article in the Chicago Tribune.

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