- The World Guide
- Population dynamics:causes and consequences of world demographic change
- Worldwatch Environmental Alert Series
- Demography:analysis and synthesis
- Historical Dynamics:why states rise and fall
Environment Complete contains all of the content available in Environmental Index, as well as full text for 400 Journals including many of the most used Journals in the discipline. Funding for this database is provided by Maine State Library and University of Maine System.
ProQuest Central is a multidisciplinary database with over 11,000 titles; over 8,000 of them in full-text.
A bibliographic database of information about environmental concerns such as global warming, energy conservation, natural resources, and pollution.
- Center for Global Development
- Center for Global Development, Research link: Migration and Population
- Millennium Ecosystem Assessment: The site includes Our Human Planet:Summary for Decision-makers (Island Press, 2005) and other related reports and graphical resources.
- Laboratory of Populations, Joel Cohen and colleagues
- Population Council
- Population Reference Bureau
- United Nations Population Division, Department of Social and Economic Affairs
- World Resources Institute, Earth Trends [inactive]
- Worldwatch Institute, Vital Signs: Population & Society [inactive]