The best way to define geography is to think of it as the study of processes as they operate over space and in place. The evolution of this definition is discussed, and examples of the way in which geographers have studied social change in U.S. cities are provided. (RM)

Retirement communities such as Sun City, Arizona, are a significant geographical phenomenon in contemporary U.S. society. The reasons for the evolution of Sun City as a popular migration destination and the geographical implications of large-scale residential segregation among the elderly are discussed. (RM)

The various forms of oppression in urban daily life include oppression in living conditions, production, consumption, and use of space, and ideological oppression. Responding to this oppression is a "subversive" culture. Based on individual and group awareness of creative potential, it opposes oppression and is the source of change. (CS)