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Overpopulation?

Do you think overpopulation is a serious issue? Or do you believe the Earth is not really overpopulated? In any case, learn more about overpopulation, and why we should talk about it and act on it!

Please check out our proposed solutions!

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Recent Blog Posts

  • Climate refugees or overpopulation escapees? August 3, 2020
  • Will global population peak below 10 billion? July 27, 2020
  • New book argues for a sustainable world with 3 billion people July 20, 2020
  • Addressing Population Challenge Is Not Impossible July 14, 2020
  • Lessons from a global pandemic July 7, 2020

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What we are reading, listening to and watching

Rewilding Earth Podcast: Having Upstream Conversations About Overpopulation with Jack Humphrey and Karen Shragg

It’s Hard to Socially Distance in an Overpopulated World by Karen Shragg

Africa: What Becomes of Africa As the Foreign Aid Taps Run Dry? by Adaeze Oreh

Disassembled Food Webs and Messy Projections: Modern Ungulate Communities in the Face of Unabating Human Population Growth by Joel Burger et al.

Population, the Great Knee-Jerker: A Holistic Survey and Plea to Reduce Suffering by Megan Seibert

Gallery of infographics – Learn more about overpopulation and environment

Human total population since 1050
Population projection for 2100 according to UN (medium variant)
United Nations latest population projections till 2100. The variants differ in fertility levels which assumed to be medium, high, low or constant (as of 2010-2015) while the mortality assumed to be "normal"; and in case of no change variant both the fertility and mortality are assumed to be constant as of 2010-2015. (UN WPP2017)
Effective family planning programs
Human population and extinctions of non human species - a coincidende?
The Change of the Global Living Planet Index overt time. It shows, that the size of vertebrate populations (mammal, bird, reptile, fish and amphibian populations) declined of 58% since 1970, in little more than 40 years. It means a frightening, 2% average annual decline. (WWF Living Planet Index, 2016)
Tonnes of CO2 equivalent for one person undertaking each action (Wynes and Nicholas 2017, Environmental Research Letters)
CO2 Levels over time
World population change 1800-2100, the country size shows the share of the population (Source: metrocosm.com)
Wild vertebrate animal population have halved in the period the human population have doubled
The Biodiversity is threatened
Human activity has driven CO2 to levels which threaten the Earth
CO2 total emissions around the World
CO2 emissions per person in different countries
Fertility rates in different countries in 2015
The importance of having fewer children in climate change mitigation: a comparison of the emissions reductions from various individual actions. The height of the bar represents the mean of all studies identified in developed nations, while black lines indicate mean values for selected countries or regions. Source: Wynes and Nicholas (2017): "The climate mitigation gap: education and government recommendations miss the most effective individual actions"
Total fertility rate (TFR, births per woman) represented by counties. (2015) Source: populationpyramid.net
Fertility rates in 1960 and 2015
The rapidly growing human footprint - population, carbon dioxid, tropical forest loss, fertilityer consumption, freshwater use, marine fish capture and transportation (UN 2017)
The current biomass of Earth's land mammals. Source: Smith et al. 2015 - Megafauna in the Earth system
Population growth of countries in annual %, in 2015
Human population projections by the main geographical regions
Total fertility rate (TFR, births per woman) represented by counties, in 2015
Weight of vertebrate land animals and human
Weight of vertebrate land animals
Amount of Earth's renewable resources needed, 2017
Women's education and fertility (number of babies). Source: Source: Barro-Lee Educational Attainment Dataset (2015): PRB Data Sheet 2015
Averting unintended births has the opportunity to provide one more wedge to mitigate climate change. Source: Malcolm Potts and Leah Marsh: THE POPULATION FACTOR: How does it relate to climate change?
Intended and unintended births in USA Source: Malcolm Potts and Leah Marsh: THE POPULATION FACTOR: How does it relate to climate change?
Unmet need for FP Source: Malcolm Potts and Leah Marsh: THE POPULATION FACTOR: How does it relate to climate change?

Read the TOP blog!

Climate refugees or overpopulation escapees?

By Philip Cafaro

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