Unit 6: Cities and Urban Land Use Patterns

Unit 6 explores the origins and evolution of cities, beginning with the transition from nomadic lifestyles to permanent agricultural settlements. It explains how agricultural surpluses and social stratification triggered the first urban revolution in historic hearth areas like Mesopotamia and the Nile Valley. The text details the diffusion of urban life through conquest, such as by the Greek and Roman Empires, and the subsequent growth of major centers in China and the Americas. Modern urbanization is linked to the second urban revolution, where industrialization and improved transportation, like the automobile, reshaped city structures. Present-day geographers use quantitative data to define various urban categories, including megacities, suburbs, and metropolitan statistical areas. Ultimately, the sources highlight the challenges of rapid growth, emphasizing the roles of migration and government policy in fostering sustainable urban development. 

Unit Guiding Questions:

1. What are urban hearths and where did cities first originate?

2. How do the first and second urban revolutions differ?

3. What is the difference between a megacity and a metacity?