What is overpopulation? On these sites you will find information about population and its relationship to poverty, politics, and the environment. There are photo essays, video clips, fact sheets, statistics, and interactive quizzes.
World Population Clock
This site shows the current population of the Earth, updated every second.
The Miniature Earth
If the whole world were a community of 100 people, what would it look like? This short movie illustrates the profile of the world's population, its distribution, and wealth. NOTE: This site links to a message board. NOTE: This site has a donation button.
FactMonster: Six Billion of Us
Follow the links on this page to see world statistics, such as the ten most populous countries, cities, area and population of each country, the world's poorest countries, and more.
BBC Radio: Fertility Rates
This is a short radio broadcast about current trends in birthrates, which are falling in much of the developed world.
PBS: Perils of Overpopulation
Here is an interview with author Robert Kaplan in which he discusses some of the political perils and ramifications of overpopulation.
PBS: Growing Up Global
This site explores the issues of overpopulation, poverty, and environmental decline that children around the world will face in the 21st century. Includes a film clip, photo essay, interview, and lesson plan.
PBS: Urban Explosion
Approximately half of the world's population lives in an urban environment. Read about four cities around the world and watch short video excerpts about the environmental problems that their inhabitants face.
PBS: World in the Balance
Explore this site for interviews, articles, and interactives about trends in population, consumption, and environmental impact.
National Geographic: Too Many People
Read this news article about overpopulation.
National Geographic: Eye in the Sky
On this site you can view aerial and satellite photos of and information about overpopulation, deforestation, pollution, and more.
Read this article about two families, one livig in India and another in the United States, and how each family impacts the environment. NOTE: This site contains ads.
The World at Night
This is a satellite photo of the Earth at night that illustrates human settlements.