The Overpopulation Project

TOP – Research and Outreach

Too many people consuming too much

Resources

Scientific articles:

Population and Biodiversity Loss
Population and Environment
Population and Climate Change
Family Planning and Environment
Current Demographic Trends and Future Projections
Population Ethics

Popular Science
Carl Wahren Digital Archive
Books
Videos
Graphics
Population Neglect
Population and Religion
Organizations Dealing With Overpopulation
Population Journals

tree-569505_960_720

Explore the content and topics covered by TOP, search here

Recent blog posts

The role of mortality in fertility transition studiesMay 8, 2026
Population growth is still rapid. Has the UN Population Fund (UNFPA) forgotten family planning programs?April 21, 2026
The Most Appropriate Response to Falling Birthrates? Embrace ThemApril 14, 2026
New paper defends a pragmatic definition of overpopulationApril 8, 2026
Because everyone else is (not) doing it: How social pressures may be the key to understand family size preferencesMarch 31, 2026

Blog categories

What we are reading, listening to and watching

Gallery of infographics – Learn more about overpopulation and environment