Urban Populations

Demography is density

Inward (centripetal) movements

Gentrification in Johannesburg – BBC

The Guardian – Gentrification of the Bronx, New York

The Guardian – Gentrification protest in LA

Urban regenerationEast London for Olympics

Urban redevelopment in the UK – Waugh

Case study: East London & 2012 Olympics

Waugh – East London & 2012 Olympics

GF642 – Urban regeneration in Birmingham

Outward (centrifugal) movements

Urban sprawl

The Guardian – story about how Calgary is fighting urban sprawl

Counter-urbanisation

Counter-urbanisation is the movement of people out of cities, to the surrounding areas. Since 1950 this process has been occurring in MEDCs (More Economically Developed Countries). There are four main reasons for counter-urbanisation:
1. The increase in car ownership over the last 40 years means people are more mobile. This has led to an increase in commuting. Also, the growth in information technology (E-mail, faxes and video conferencing) means more people can work from home.
2. Urban areas are becoming increasing unpleasant place to live. This is the result of pollution, crime and traffic congestion.
3. More people tend to move when they retire.
4. New business parks on the edge of cities (on Greenfield sites) mean people no longer have to travel to the city centre. People now prefer to live on the outskirts of the city to be near where they work.

Consider the table below, which shows countries with their GDP and the % of urban population.

Now buckle in for a roller-coaster ride through the MEGACITIES!

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