In green circles, Chicago gets cachet for its municipal campaign to slap a green roof on everything from City Hall to Wal-Mart. Then there's the world's first voluntary, legally binding greenhouse gas reduction and trading systems for emission sources, the Chicago Climate Exchange, which also launched here. (Find out more on these and other green projects in Chicago by digging into TreeHugger's Chicago archives).
But believe it or not, dear visitor, green roofs are just the cream on the cake. The Windy City is abuzz with eco-friendly hotels, organic eateries, and green architecture -- all accessible sans car. Before embracing the huge list of cultural offerings, check out our tips for downsizing your footprint on the biggest city in the Midwest.