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Material World
Note on Sources


World in the Balance homepage

Source of Images and Family Descriptions

Material World: A Global Family Portrait by Peter Menzel. San Francisco: Sierra Club Books, 1994


Sources of Country Statistics

Population Reference Bureau's 2003 World Population Data Sheet

United Nations Population Division's World Population Prospects: The 2002 Revision and World Urbanization Prospects: The 2001 Revision

The Central Intelligence Agency's World Factbook 2003, an online atlas containing current political, demographic, and cultural information

The Population and Development Database, an online resource produced in 1998 by Population Concern


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NOVA Home Find out what's coming up on air Listing of previous NOVA Web sites NOVA's history Subscribe to the NOVA bulletin Lesson plans and more for teachers NOVA RSS feeds Tell us what you think Program transcripts Buy NOVA videos or DVDs Watch NOVA programs online Answers to frequently asked questions