Ledc Cities Rapid Growth


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Ledc Cities Rapid Growth

  1. 1. Rapid population growth in LEDCs Towns and cities in LEDCs are growing rapidly, and an increasing proportion of people are living in cities. LEDCs are going through a period of urban growth and urbanisation. Your case study will either be Rio de Janeiro or Sao Paulo
  2. 2. Cities in LEDCs are growing due to: - A high birth rate - A low death rate - Migration to the cities
  3. 3. Migration to the cities The population growth in LEDCs is affecting both rural and urban areas. The population of cities is growing proportionally faster than that in the rural areas Push and Pull factors…..
  4. 4. Migration to cities…. Push Factors Pull Factors A poor chance of getting a job Better paid factory work Difficulty of getting sufficient land for Better and more varied food supplies any kind of successful farming Better housing with electricity and Near starvation as crops fail piped water, sewerage etc Better medical care – chance of better Increasing soil erosion as a result of over grazing schooling etc Basic lack of services – More entertainments and a ‘better’ medical, educational, water, sanitation, lifestyle transport etc Natural disasters such as drought or flooding
  5. 5. The effects of rapid growth • Increased air pollution from industries and traffic • A severe shortage of land and very high land prices – especially anywhere that is near to the city • A severe lack of housing – development of favelas on the outskirts of the city. • Lack of employment – most people living favelas are employed in the ‘informal sector’
  6. 6. Solutions to the problem… Low cost housing Self-help schemes New town - Barra schemes Using cheap but In this scheme the Barra is a purpose built permanent building eventual cost of the town just outside of Rio materials, temporary housing is made even de Janeiro built to relieve structures are replaced cheaper by encouraging pressure on the city. by sturdy permanent locals to undertake most Many of the residents of houses. These are of the work themselves. Rio have moved there to connected to electricity The local authority escape the traffic, and sewerage facilities. simply provide the pollution and cramped The local authority will materials and may conditions. This is only start the process off and provide the ground work available to those who then the tenants finish off for the drainage and can afford the rent or the building and pay a sewage systems cost of buying in the city low rent to live in them – – it doesn’t help people not everyone can afford living in the favelas. this.