More and more towns have plans to go green when it comes to public transportation. That means hybrid or electric buses and bike sharing programs. And sustainability advocates are pushing for more. We'll take a look at clean ways to commute, with guests: Robert Brinkmann, Ph.D., vice provost for scholarship and research; dean of graduate studies; professor of geology, environment and sustainability, Hofstra University Lauren Bailey, director of climate policy, Tri-State Transportation Melissa