Changing urban environments

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  • Created by: AK
  • Created on: 03-06-17 14:36
What are the two causes of urbanisation
Rural-urban migration and natural increase
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What are the 4 characteristics shown in the land use model
CBD, inner city, suburbs, rural-urban fringe
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Issues in towns and cities
Housing - brownfield/greenfield, Inner city, traffic, CBD, multicultural mix
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Issues in squatter settlements
Raw sewage, overcrowding, lack of clean water, gangs, no security/safety
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Strategies to improve squatter settlements
Self-help schemes: education on how to build, provide materials, street names, lamposts, sanitation, sewage system
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Kibera - the issues
Over 100,000 children orphans due to HIV/AIDS, raw sewage, vigilante groups offer security at a price, 1m2 of floor space per person
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Kibera - the solutions
Low cost building materials, affordable electricity, cheaper water, improved sanitation, rehousing
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Problems of rapid urbanisation - environmental disasters
Air and water pollution caused by factories, global warming caused by burning fossil fuels, no safe disposal of waste
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Problems of rapid urbanisation - electronic waste
Poor earn money by breaking down computers, but toxic chemicals like cadmium and lead lead to serious health risks
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Problems of rapid urbanisation - water pollution
Untreated sewage, chemicals and disease-causing microbes present in water used to wash and drink
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Problems of rapid urbanisation - waste and pollution
Carbon dioxide emissions, power stations, nuclear waste is radioactive
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Reducing the problems - waste disposal
Re-use waste/recycle, safe disposal of toxic waste, recycling plants
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Reducing the problems - air pollution
Alternative energy sources, carbon tax, reduce emissions of suphur dioxide and nitrogen oxide, improve public transport
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Reducing the problems - water pollution
Water treatment plans e.g. Ganga action plan
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Typical features of environmental sustainability
Conserving the historic environment, conserving the natural environment, reducing and safely disposing of waste, providing adequate open spaces, involving local people, providing an efficient public transport system
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Sustainable urban living in Curitiba
28 riverside parks, green exchange program - poor exchange rubbish for bus tickets, 70% of rubbish recycled, BRT system, 50,000 homes for urban poor
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Other cards in this set

Card 2

Front

What are the 4 characteristics shown in the land use model

Back

CBD, inner city, suburbs, rural-urban fringe

Card 3

Front

Issues in towns and cities

Back

Preview of the front of card 3

Card 4

Front

Issues in squatter settlements

Back

Preview of the front of card 4

Card 5

Front

Strategies to improve squatter settlements

Back

Preview of the front of card 5
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