50 years ago, Walter Cronkite announced that Chattanooga, TN had the dirtiest air in America. But then Chattanooga started investing in blazing fast internet service and now the city is considered a model Smart City to watch.   In this episode of POLICYSMART, we speak with Chattanooga's Smart Cities Director, Kevin Comstock. He shares with us the tech that created the Chattanooga Smart City and that keeps the city growing.   Kevin Comstock can be contacted at [email protected].   Also check out the #talkITS magazine article, The Chattanooga Flavor of Smart Cities.