The Environmental Literacy Council
The Environmental Literacy Council: Changing Population Structures
An article about changing population structures. Links to other resources, data and maps, and classroom lesson plans on population aging.
US Department of State
America.gov: Megalopolis
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.