WalletHub, a financial website, recently looked at the 100 largest U.S. municipalities, comparing them in several important areas – environment, transportation, energy sources and lifestyle and policy. For the second year in a row, the town of Gilbert, east of the Phoenix metro area, ranked among the least green among its peer cities and towns. Brad Allenby, a professor in the School of Sustainable Engineering and the Built Environment, part of the Fulton Schools, provides some perspective on how cities can most effectively boost and manage projects aimed at going green and reap benefits from those endeavors.