In The Decline and Fall of the Human Empire, science writer Henry Gee considers how long we’ve got, and how we can extend our time on Earth.
Articles on world population
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When certain groups of people are systematically undercounted, they become invisible to policymakers.
Fertility in Australia has dropped to the point that without migration the population will start dropping from 2037.
Most of the problems confronting the world come down to population growth. But where women are given the choice, they limit the number of children they have.
If the Earth were ever subsumed into a single cityscape, it would collapse under the weight of its own ecological footprint.
Quite how to gauge the size of a city – or where one ends and the next begins – is getting harder to determine. The 21st century belongs to the limitless city.
Only insects populations can compare to rising human numbers.
Arguments about population growth are unhelpful, distracting and often racist.
Top contributors
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Professor of Geographic Information and Cartography, Department of Geography, UCL
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Professor of Public Policy, ADFA Canberra, UNSW
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Senior Lecturer in Sociology, Lancaster University
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Reader in Social Policy, University of Bath
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Senior Lecturer in Human Geography, University of Sheffield
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Chair and Professor of Planning, UCL
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Professor and Head of School of Social Sciences, The University of Western Australia
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Professor of Evolutionary Palaeobiology at the Milner Centre for Evolution, University of Bath
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Associate Professor, School of Geography and Environmental Sciences, University of Southampton
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WorldPop Director, Professor of Spatial Demography and Epidemiology, University of Southampton
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Emeritus Strategic Professor in Palaeontology, Flinders University