Want to know how your hometown measures up on the green scale? Check out Warren Karlenzig’s new book, How Green is Your City? (New Society Publishers, 2007), the result of SustainLane’s 2006 sustainability study involving the largest 50 cities in the U.S.

Measuring city standards like public transit, air and tap water quality and local agriculture, Karlenzig ultimately crowns Portland, Oregon with the highest quality of life and commitment to green building, local food, alternative fuels and renewable energy. On the opposite end of the spectrum, Columbus, Ohio ranks last due to its dependence on autos and poor public transit.

($23, list price. Find it @ amazon)