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Top 10 green U.S. cities

By: chief on Oct. 16, 2009, 11:21 p.m.
city of chicago at dusk

Photo: Chicago CVB

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9. Chicago, Ill.

The Windy City has embraced land sustainability far longer than you may think. In 1909, pioneering city planner Daniel Hudson Burnham created a long-range plan for the lakefront that balanced urban growth, and created a permanent greenbelt around the metropolitan area. This greening of the city continues through the Chicago Green Roof Program. More than 2.5 million square feet of city roofs support plant life — including Willis Tower (formerly called Sears Tower) and the city hall building. Also, about 500,000 new trees have been planted.