This week on Smart City: When Washington ignored climate change, Seattle Mayor Greg Nickels decided to ignore Washington. He convinced almost 800 mayors to sign on to the U.S. Mayors Climate Protection Agreement, and he is determined to make his own city the model for sustainability. We’ll talk to Mayor Nickels about his progress in the first half of our show.

Then we'll check in with Marty Bhatia, a Chicago real estate developer whose company, is dedicated to creating high quality living spaces, with a minimal carbon footprint.

Dr. Jeff Howard is founder and president of the Efficacy Institute in Lexington, MA, where he works with school principals, teachers and parents throughout the county to set high expectations for students and achieve far better results. Jeff is a Harvard-educated social psychologist and is also the founder of J. Howard and Associates, a corporate training and consulting firm.