Fertility levels in global regions and countries: what is the role of religion?

Population growth depends strongly on fertility rates, so it is important to study factors that determine fertility. Despite much research, there is no consensus about the most important factors involved, except that contraceptive use can be effective. Factors correlated with declining as well as increasing or high fertility should be studied simultaneously. Religiosity is potentially … Continue reading Fertility levels in global regions and countries: what is the role of religion?

Is overpopulation a dirty word?

Many readers of our blog probably see no problem with “overpopulation,” but we sometimes get negative responses when we use the word, even from colleagues who largely share our views. Why is this so? How should overpopulation best be defined? By Frank Götmark, Jane O’Sullivan and Phil Cafaro In contrast to other organisations dealing with … Continue reading Is overpopulation a dirty word?

Why is Brazil a useful model in demographics?

Brazil's transition from the demographic transition model's stage 3 to stage 4 was fast paced and lacked government intervention. By Pete Bailey This post was originally published on the PopEd blog, see the original post here>> Over the past fifty years, Brazil has seen fertility rates drop from an average of six children/woman to less … Continue reading Why is Brazil a useful model in demographics?

TOP wraps up 2019 and prepares for the new decade

by Phil Cafaro and Frank Götmark Greetings! It’s been a busy year here at The Overpopulation Project. As many of you know, we have an active website, with a new blog almost every week and more invited authors this year. The total number of visitors to our website was 84,848 in 2019, and average monthly … Continue reading TOP wraps up 2019 and prepares for the new decade

The Missing SDG – what should be added?

This past week, TOP researchers Patrícia Dérer and Jenna Dodson organized a successful seminar focused on the United Nation’s Sustainable Development Goals. As part of Act Sustainable! Week at the University of Gothenburg and Chalmers University of Technology (Sweden), participants enthusiastically discussed five potential additions to the SDGs: air quality, democratic governments, harmful chemicals, ocean … Continue reading The Missing SDG – what should be added?

The first year in The Overpopulation Project ends after much activity and with clever work by all team members – We now look forward to 2019!

by Philip Cafaro and Frank Götmark 2018 has been an exciting year at The Overpopulation Project (TOP). Highlights included our overpopulation conference in Stockholm in June, the many blog texts showing that much good research and outreach exist on population matters, the publication of “Aging Human Populations: Good for Us, Good for the Earth” in … Continue reading The first year in The Overpopulation Project ends after much activity and with clever work by all team members – We now look forward to 2019!

High human population density eliminates the positive effect of forest protection in a tropical biodiversity hotspot

By Patrícia Dérer Sri Lanka and the Indian Western Ghats (also known as Sahyadri Mountain Range) make up one of 36 Biodiversity Hotspots. These areas are the Earth’s most biologically rich—yet threatened—terrestrial regions; they were designated in order to preserve the most species. The Western Ghats belong to the eight “hottest hotspots” based on their … Continue reading High human population density eliminates the positive effect of forest protection in a tropical biodiversity hotspot

Support the overpopulation documentary: “8 Billion Angels”

Ecologist Terry Spahr Turns to Kickstarter For His First Feature film, 8 Billion Angels, a Documentary About Overpopulation Independent filmmaker Terry Spahr is turning to the Internet to raise funds for his provocative feature film project, 8 Billion Angels, a documentary about overpopulation and its effect on the environment. With funding as a major obstacle … Continue reading Support the overpopulation documentary: “8 Billion Angels”

Welcome to our webpage!

It is a resource for all those interested in overpopulation and in creating environmentally sustainable societies. We will also report from our research project, started recently. High quality research, well-informed books, and good reports and articles about the effects of global human population growth, and solutions to this problem, are widely scattered in various scientific … Continue reading Welcome to our webpage!