text: Something that also affect the society is the obesity. People depend a lot on their cars and forgot about to walk. It is a simple example but it had cause a lot of death and heart attac in the past two decades. ''All of our  develpment since World War II has been centered on car, and that will have to change,'' said David Goldberg. In the United States, the Environmental Protection Agency is promoring ''car reduced'' communities, and legislators are starting to act.