Its striking how dispersed wealth is at the high urbanisation end relative to the low urbanisation end; the gap between similarly urbanised states like Connecticut and Florida is enormous.
There's no inevitable consequence of urbanisation that is either positive or negative.
How do you think urbanisation will affect the way NGOs work?
Singh believes that instead of discouraging urbanisation, "economic opportunities and modern amenities should be promoted in rural areas.
Brazil's increasing urbanisation has meant that groups are often exposed to different species and the variety of sandflies that transmit them.
Even where formal supply networks have been established as part of favela urbanisation programmes, many of the city's poorest residents live at the end of the distribution network, where water, when there are shortages, simply fails to reach.
They belong to another history of urbanisation, one that is as universal and ubiquitous as the skyscraper, only much older.
But campaigns such as these fail to acknowledge the declining opportunities for movement that exist in many settings across the world due to urbanisation, desk-bound work and motorised transport.
Public policy lags behind urbanisation, which often means that basic services, like schools, transportation, public spaces and land rights, are not delivered to the millions of people living in informal urban settlements.
"Emerging markets should continue to grow faster than the west, due to rising and youthful populations, urbanisation and growing affluence," says Hollands.
"To turn fragile cities around, public authorities, businesses, and civic groups must come to grips with the risks that will come with rapid urbanisation but also with the many available solutions.
