Slides in this set
1. World city 17. Impacts
definition and 18. Case Study
characteristics 19. Urban Decline
2. Global distribution 20. Gentrification
3. Urbanisation definition
definition 21. Case Study
4. Causes 22. Partnership Schemes
5. Impacts definition
6. Case Study LEDC 23. Case Study
Case study MEDC
World Cities! 24. Property led
25. Case study
9. Causes Human Option 26. Retailing and
10. Impacts decentralising
11. Counter- 27. Impacts
urbanisation 28. Case Study
definition 29. Redevlopming city
12. Causes centres
13. Impacts 30. Case Study
14. Case Study 31. Waste Management
15. Re-Urbanisation 32. Traffic management
definition 33. Case study
16. Causes…read more
World City Mega City Millionaire city
Definition A city that has influence over the A city with a population A city with a population
whole world. They are centres of more than 10 million of over one million
for trade, business, culture and people
Characteristics · Resource centres grow as · Population density of · Generally found in
companies have excess to 2,000 persons/km2. MEDC's
knowledge to cause · Formal and informal · Increase in
enterprise to flourish. economics. globalisation they
· Learning centres Businesses · Poverty, crime and have spread to LEDCs
learn they enter cycles of social fragmentation and major trading
growth and development. (high levels). ports or areas that are
· Centres of spatial proximity e. · As of 2011 there are becoming economic
g. universities. 21 megacities. hubs.
Examples New York, London, Tokyo Mumbai, Tokyo, New London, Mumbai and
York, Mexio City Shanghai…read more
More than 50% of the worlds Most millionaire, Mega and Word
population live in urban areas, cities and in the northern
this is increasing especially in hemisphere (LINK TO
LEDC's. Global Pattern ECONOMICS) and often on a
coastline or large river.
More than 20 mega cities
with 2/3 in developing
More than 400 millionaire World cities tend to be in
cities. In the past they developed countries but
were mostly in the over time are likely to
developed world but now develop in developing
increasingly in the countries such as China.
· Defined at the movement of people from rural to urban areas for
· In 2010 a key date was passed, the World's urban population passed
50% for the first time in history. The World Health Organisation
(WHO) of the UN estimate that "By 2030, 6 out of every 10 people will
live in a city, and by 2050, this proportion will increase to 7 out of 10
As people migrate to cities urban
population increases. The migrants tend
to be young people, they may then also Rural-Urban Migration or a
have children which again increases the
Causes: naturally increasing population
Human activity and changes in climate may cause More jobs in urban areas.
desertification. If land becomes unproductive it cannot
provides food for population who then move away.
Some farmers take out loans to help them improve their Jobs in urban areas are usually better paid.
yields ( i.e. to buy fertiliser), if these crops fail they may
be unable to pay these loans back and may lose land.
Conflict and civil war may cause people to flee their They may be better access to education and healthcare.
homes. If many are killed or injured in a war there will
be less people to work the land causing food shortages.
Natural disasters such as earthquakes and floods may Other family members may have already moved to the
damage homes and farmland which people cannot city.
afford to rebuild or repair.
Changes in land use in rural areas can drive people out There is often a perception that quality of life will be
e.g. farmland flooded to create HEP. better in a city.
Mechanisation of agriculture means fewer jobs needed
to work the land so there's a lack of jobs.…read more
As Urban populations grow there is increased demand
for space e.g housing, resources and services. If these
increased demands cannot be met, it can lead to poor
quality of life for the people living in the area.
Many developing countries cannot afford these extra
demands or cannot keep up with the rapid rate of
urbanisation, so has a number of negative impacts:
· Not enough houses, cannot afford to rent or buy · Built on lands unsuitable for construction
· Forced to live in shelters or on streets e.g in 2009 · Lack of basic services e.g clean water and waste
more than 13,000 people in Sao Paulo Brazil. disposal = disease
· Build own homes, leads to slums of shanty towns, · Little education = hard to get a well paid job
poorly built. · Difference in wealth causes tension and social issues
· High competition for good jobs in formal sector, so such as violence and crime
migrants accept poorly paid jobs in informal sector
· Increases pressure on roads and railways causing
congestion and air pollution.…read more