This brings us back to the issue of urbanisation.
There's no inevitable consequence of urbanisation that is either positive or negative.
Its rapid economic ascendance has brought many challenges – including issues of inequality, rapid urbanisation and environmental sustainability.
Farrar sees three particular threats to the health and wellbeing of humanity: the spread of infectious diseases, the linked issues of pollution and urbanisation, and the threat of worsening migration.
However, the impact of these experiments on the production of more just forms of urbanisation is a contested issue.
The degree of urbanisation showed a positive association, with a higher number of primary OOH contacts in increasing levels of urbanisation.
Most are landlocked; most have low rates of urbanisation.
Francesc Muñoz, professor of urbanisation at Barcelona's Universitat Autònoma, goes further.
This, however, is still insufficient to cope with the speed of urbanisation.
"We can expect no slowing down of urbanisation over the next 30 years.
