Some years ago, Eric Jacobsen wrote about the urban environment in Sidewalks in the Kingdom: New Urbanism and the Christian Faith (Brazos Press). He outlined how walkable neighborhoods and urban spaces help make possible the relationships necessary for the kingdom of God to flourish. Many of our young people today really love city life; they are leaving the suburbs and moving to cities for both ecological and personal reasons. They wonder why anyone might want to live in a place where you have to drive a car to buy your groceries or visit a bar.