简介:Theproblemsofthenation'scities--pollution,crime,alackofplanning,transportation--arebad,buttheywere1.(bad)intheso-called"goodolddays",accordingtoDr.Charles.Hegivespollutionfromautomobiles2..oneexample.Heagreesthatitmaybebadnow,3.hestatesthattherewasalotofpollutionfromhorsesandotheranimalsinAmericancitiesinthe19thcentury.