From the "Journey to Planet Earth" series, PBS takes a look at the world's exploding urban population. Includes video clips and educational resources.

This lesson presents the scale of recent urbanization in different global regions and the diverse roles that migrants play in contributing to urbanization. The following graph, map, video, and news report provide a general overview of...

Essay on population growth past, present and future and the impact on society. Includes guiding questions for students and links to related resources.

A thorough site that examines urban population in developed and developing countries, answers the question whey is the urban population increasing so fast, and delves into the problems associated with rapid urban growth.

Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful. [16:47]

America's interstate highway system cut through the heart of dozens of urban neighborhoods. Congress approved the Federal-Aid Highway Act of 1956, authorizing what was then the largest public works program in U.S. history. It promised to...

Eighteen primary sources-historical documents, literary texts, and visual images-that explore the industrial, racial, and technological progress of the late-nineteenth century.

An excellent definition of a megalopolis. Begins with the creation of Megalopolis and delves into the dominant theme which is "Urban-ness." The "Changing Patterns in Megalopolis," are also discussed.

With the fall of the Taliban in 2001, many Afghans believed that, after 23 years of war, their country would be at peace again. Although recent increases in violence have dampened that spirit, there is nonetheless a small population of...