The Overpopulation Project
TOP – Research and Outreach
Too many people consuming too much
Category: Overconsumption
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New paper defends a pragmatic definition of overpopulation
Distinguishing ecologically sustainable from excessive human populations is necessary to understand humanity’s environmental challenges and pursue our best options for addressing them. A new publication from TOP presents a definition of human overpopulation based on plausible scientific and ethical criteria, rather than wishful thinking. by Philip Cafaro Last year, TOP published a working paper presenting…
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What Are Floors Without Ceilings?
Staying within safe planetary boundaries for global resource use and pollution makes good sense. Are there a complementary set of economic and social measures that could help human societies remain within ecological limits? by Erik Assadourian Not long ago a new update to the Planetary Doughnut was published in Nature, complete with 35 indicators to…
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A new definition of global overpopulation, explained and applied
Some environmentalists believe current environmental problems can be addressed successfully without reducing human numbers, while others disagree. Which side is right? Our new working paper tries to get to the bottom of the matter. by Philip Cafaro Recent years have brought a cascade of bad environmental news from around the world: melting glaciers and acidifying…
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To grow or not to grow
All around the world, politicians, business leaders, academics and many members of the general public worship at the shrine of ‘growth’. They are profoundly and dangerously wrong. by Sandy Irvine, eco-activist from England To grow or not to grow is the really big issue of our times. Most problems boil down to excess growth –…
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No sustainable paradigm is attainable without gradual population reduction
The Jus Semper Global Alliance is dedicated to building a better world based on democracy, sustainability and fairly sharing the world’s wealth. Its website gathers valuable material on a full range of issues regarding economic, social and ecological justice. As its founder and executive director reminds us here, “no matter how efficient and fair the…
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A primer on economic growth and biodiversity for COP16
Many readers will be familiar with the good work of CASSE: the Center for the Advancement of the Steady State Economy. Here its executive director reminds us of the need to end growth if we hope to preserve biodiversity, a recurring theme at TOP (see here, here and here). by Brian Czech With the core…
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Slow Down: The Degrowth Manifesto
Socialism or barbarism or … social democracy with a mature acceptance of limits to growth? That’s the question posed by Kohei Saito’s provocative new best-seller. by Philip Cafaro Let me admit right up front that I’m a little jealous. As a philosophy professor who’s written a few books but no best sellers (yet!), I can’t…
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Carbon emissions and the desperate search for culprits
Are rich people with their private jets the main cause of climate change? Or are the hundreds of millions joining the middle class in China and India? Or maybe large families of poor farmers in the tropics deforesting to make room for low-productive agriculture? This blog questions the search for specific culprits, which is often…
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Biodiversity and the roles of human population and consumption: a debate
It is the rich minority’s consumption that mainly affects the status of the Earth’s life support system, according to a response in Svenska Dagbladet by David Collste at Stockholm Resilience Center and Jennifer Hinton at the University of Lund to an Op-ed by Malte Andersson and Frank Götmark. But will the poor majority consent to…
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Ecological Footprint and Sustainable Population
With humanity currently in overshoot, societal changes must be enacted to return to sustainable levels. While either a country’s ecological footprint or population size could be altered to achieve the necessary level, combined efforts on both fronts would be most effective. By Denis Garnier, president of Démographie Responsable A sustainable population corresponds to the total…
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Overpopulation as a local problem
Overpopulation is commonly associated with global ecological overshoot, but it can occur at any level from the local to the global. Ecological overshoot in industrialised countries is complicated by labour migration, especially in urban areas. Population pressure on top of ecological overshoot should force these countries to reconsider overly permissive immigration policies. by Jan van…
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How to Fix the Planet, the Easy Way
To avoid disastrous deterioration of Earth’s climate and biosphere, humanity has to reduce its demands on nature. Fewer births and a falling population is no quick fix, but compared with voluntary austerity, it has many more up-sides than down-sides. by Jon Austen Scientists are reporting that there is an existential threat to life on Earth.…
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What you should know – but didn’t know to ask – about overshoot and the ‘population question’
William Rees explores the nature of humanity’s relationship with energy and the ecosphere, and reaches the unsettling conclusion that a population ‘correction’ is in the offing. By William Rees What would you think if someone called you out as a ‘dissipative structure’? Or better, claimed that you were a ‘thermodynamically far-from-equilibrium dissipative structure’? Chances are,…
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Walk the talk: the world needs more Gretas and fewer Leonardos
People in rich countries must rein in their consumption, but the hypocrisy of high-profile environment advocates makes them poor role models, argues Gaia Baracetti. By Gaia Baracetti This is an overpopulation blog, but its authors have made it clear that overconsumption is a problem too, and that the two are, as it is often said,…
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Recent blog posts
- The Most Appropriate Response to Falling Birthrates? Embrace Them
- New paper defends a pragmatic definition of overpopulation
- Because everyone else is (not) doing it: How social pressures may be the key to understand family size preferences
- The Psychology of our Strange Overpopulation Taboo
- Goodbye Paul Ehrlich
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