Huge migration of people to megacities, feeling soaring skyscrapers and vast slumps.
Ravenous appetites for fuel and food, unpredictable climate change and all this in a world where the population is still growing.
Seven billion people are now living on earth. When some people think about the world and this future, they panic others pretend not to think it at all.
This documentary tell us how the population is changing and about the future we will be.