Reexamines the author's 1969 paper "The Geography of the U.S. in the Year 2000." Discusses the new interplay of countervailing pressures that bring about change in the urban environment. Discusses the effects of information-age technologies. States that change in the nature of change should be probed continually. (DB)

An examination of geographic theories of social change clarifies how and why Torsten Haagerstrand's ideas have revolutionized geographic thinking, particularly regarding educational change and development, and provides the background for analyzing his models in detail. Haagerstrand developed the first formal geoqraphic model of diffusion…

This resource paper on geographical theories of urban location is part of a series designed to supplement undergraduate geography courses. The basic reasons for a city are to be found in the activities it performs in a specialized society and the clustering of residences of workers employed in these activities. The city, therefore, remains a…