challenging religious privilege in public life

The Overpopulation Project


Declining population and GDP growth

A declining population can bring about changes that reduce unemployment, increase wages, and lead to a larger real GDP per capita.

Biodiversity and the roles of human population and consumption: a debate

Population increase leads to faster consumption of resources, destruction of nature and decreasing biological diversity.

The Quixotic pursuit of sustainability

Atmospheric carbon has topped 420 parts per million this year, higher than at any time in the past 3 million years.

Earth’s nature is being ravaged by population growth

Humanity's rapid expansion leads to environmental destruction. Population growth needs to be ended as soon as possible for sustainability.

Population growth has contributed 80% of ecological overshoot

The human enterprise is in overshoot, depleting essential ecosystems and polluting the ecosphere beyond nature’s assimilative capacity.

The role of population growth during three decades of increasing carbon emissions

A dominant narrative in climate change debates asserts that addressing population growth is not relevant for climate mitigation.

Reconciling human demands with planetary boundaries

Human population grows, Earth doesn’t. A certain environmental impact is needed to satisfy basic human needs.

The Great Multiplier

Consumption and population size work together in having an impact on the Earth's resources and the sustainability of our societies.

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.

Strange bedfellows of sustainability: How identity politics obstructs the future of wilderness

Growth of our US population squeezes wildlife into unsustainable corners of our ever more human-serving landscape.