The rise and fall of the mysterious culture that invented civilisation
24 February 2021
Proto-cities built from 6200 years ago in eastern Europe upend our ideas about when civilisation began and why people made the move from rural to urban living
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Premium
If we can't change the world, does anything we do matter?
9 December 2020
It’s easy to be disheartened by the puniness of our existence – yet perhaps for the first time in human history, everything depends on decisions each one of us makes
The population debate: Are there too many people on the planet?
11 November 2020
The world population is 7.7 billion. What do our growing numbers mean for economic security, climate change, environmental destruction and the likelihood of pandemics?
Long lost cities in the Amazon were once home to millions of people
16 January 2019
We used to think the Amazon rainforest was virtually untouched, but it now seems to have been filled with sprawling settlements whose inhabitants shaped the land
The ethics issue: Should we impose population controls?
5 July 2017
Future generations risk inheriting an overcrowded, suffocating planet. Taking action may mean what was taboo is now common sense
