The 100 million city: is 21st century urbanisation out of control? | Cities | The Guardian
Projections suggest cities will swell at an astonishing pace – but whether that means our salvation or an eco-disaster is by no means certain
by John Vidal
Mon 19 Mar 2018 07.00 GMT
Last modified on Fri 11 May 2018 13.05 BST
The 1960 street map of Lagos, Nigeria, shows a small western-style coastal city surrounded by a few semi-rural African villages. Paved roads quickly turn to dirt, and fields to forest. There are few buildings over six floors high and not many cars.