Cities VI: Dispos-a-city: Unchecked abandonment off our older cities for sprawling Sunbelt suburb-cities will have a major impact on the urban future

Something of major import is happening to cities in the United States ¿ something that overrides strictly technological considerations and makes a mockery of the best-intentioned plans of urbanologists and systems experts. No consideration of the city of the future can be meaningful without a hard look at what amounts to an urban revolution: the movement of people away from the old and toward the new, and the migration of people from the northeast and central cities toward southern and western ones. The effect of these trends has led to a favoring of the horizontal, or low-density, city over the vertical, or high-density, city, and an abdonment of the 19th-century metropolis for the ¿new¿ cities of the 20th century.