Enduring Understandings

• The form, function, and size of urban settlements are continually changing.
• Models help to understand the distribution and size of cities.
• Models of internal city structure and urban development provide a framework for urban analysis.
• Built landscapes and social space reflect the attitudes and values of a population.
• Urban areas face economic, social, political, cultural and environmental challenges.

Chapter Sections

• 6.1 Defining Cities and Urban Centers
• 6.2 Megacities and Urban Sprawl
• 6.3 Cities and Cultural and Economic Centers
• 6.4 Cities as Environmental and Sustainability Centers
• 6.5 References