UNITED STATES According to a new ranking by the American Council for an Energy-Efficient Economy, many of the nation’s cities are instituting a variety of energy-saving measures, and Boston tops the list. (National Geographic News) Be the mayor of your own city in our “Plan it Green” game, and see if you can match Boston for energy efficiency. Discussion Ideas The American Council for an … Continue reading Boston Ranked as Most Energy-Efficient U.S. City