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NotesESS HLTopic 8.2Urban planning
Back to ESS HL Topics
8.2.86 min read

Urban planning (ESS HL)

IB Environmental Systems and Societies • Unit 8

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Contents

  • Urban planning at Higher Level
  • What urban planning decides
  • Land use zones
  • Models of a city
  • Meeting everyone's needs
  • When needs clash
  • Exam-style question
Urban planning at Higher Level: The same ideas as SL, told through Copenhagen's Finger Plan and Brasília, a capital planned from scratch. At HL, planning is also law: a plan such as the Finger Plan binds everyone who builds.

Practise this as you read

  • Read a plan's map: where building goes, and where it does not.
  • Weigh whose needs a plan meets and whose it does not.

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Deciding what goes where: Urban planning is how a city chooses where homes, shops, factories, parks and roads go.

The points to remember

  • Urban planning decides the best way to use land and buildings in a city.
  • It zones land: what may be built where (homes, shops, factories, parks).
  • It plans transport, services (water, sewers, schools, hospitals) and green space.
  • It looks ahead: where new homes and jobs will go as the city grows.
  • Plans are made by governments, with developers, businesses and residents.
Remember it as: Where, what, for whom: the planner's three questions.
Schematic map: Copenhagen at the centre by the sea, five built-up fingers along railway lines to Køge, Roskilde, Frederikssund, Farum and Hillerød, green wedges between them
Growth along five railway fingers; green wedges between.

Real example: in 1947 Copenhagen drew up the Finger Plan: the city may grow only along five suburban railway lines, the 'fingers', and the 'green wedges' between them are kept for farms, woods and recreation. It has been national law since 2007.

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Planners divide a city into zones. Each zone has its own job, and its own look on a map.

The main land use zones

  • CBD (central business district): offices, shops, services; highest land values, tallest buildings, easiest to reach.
  • Industrial: factories and warehouses near ports, railways, motorways, away from homes.
  • Residential: from high-density flats near the centre to low-density suburbs.
  • Green space: parks, gardens, nature reserves, urban forests, for wellbeing and ecosystem services.
  • Transport land (roads, railways, ports, airports) and mixed use (homes above shops).
Reading zones on a map or a satellite image: Tall buildings packed together: the CBD. Regular rows of houses: residential. Large buildings with yards beside a railway or port: industrial. Green patches: parks.

Real example: in Copenhagen, the old centre is the CBD; the fingers hold homes, offices and factories near their stations; the wedges stay green.

Geographers drew simple models to show how land use is arranged in a city. No real city matches one exactly, but they help you describe a map.

Three models of a city

  • Concentric zone model (Burgess): the CBD in the centre, rings of land use around it.
  • Sector model (Hoyt): land uses spread out in wedges along transport routes.
  • Multiple nuclei model (Harris and Ullman): several centres of activity, not one CBD.
  • Reality: most cities mix these patterns, shaped by history, relief, rivers and planning.
Two diagrams: the concentric zone model with the CBD in the middle and rings of factories, low-cost, middle-cost housing and commuter suburbs; the sector model with wedges of land use around the CBD
Rings around the centre, or wedges along transport routes.

Real example: Copenhagen's fingers are a planned sector pattern: growth in wedges along railway lines, with green wedges in between.

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A good plan meets the needs of everyone in the community, the stakeholders.

The needs a plan must meet

  • Physical: safe buildings, roads, water, sewers and power.
  • Domestic: enough affordable homes, with schools and shops nearby.
  • Environmental: clean air and water, green space, protected habitats.
  • Commercial and industrial: land, transport links and workers for businesses.
  • Financial: a plan the city can afford that brings jobs and taxes.
  • Health: clean air, hospitals, space to exercise, no overcrowding.

Residents

  • Homes they can afford
  • Schools, clinics, parks

Businesses and industry

  • Land and transport links
  • Workers nearby

Government and groups

  • A plan it can pay for
  • Clean air, protected habitats

Real example: Copenhagen's plan gives residents homes near a station (domestic), keeps green wedges for recreation (health, environment) and brings workers to businesses in the centre by train (commercial).

Needs often clash. Planning is about weighing them, and someone usually loses out.

When needs clash

  • Stakeholders want different things: new homes or open countryside, roads or quiet streets.
  • Planners weigh the needs and look for a compromise.
  • Consultation: residents can comment on a plan before it is approved.
  • A plan that meets one group's needs can leave others out.

What a plan can protect

  • Farmland and countryside
  • Clean air and quiet
  • Habitats and parks

What it can cost

  • Fewer new homes
  • Higher land prices
  • Longer journeys for some

Real example: Brasília, Brazil's capital, was planned from scratch and opened in 1960, with separate zones for government, homes and shops, linked by wide roads for cars. Many of the workers who built it could not afford to live there and settled in towns far outside.

Name the stakeholder and the need: Write 'farmers need the green belt to keep their land; families need new homes', not 'people disagree'.

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How this can come up: Paper 1 or Paper 2 Section A: a map of a plan, then outline how it decides land use [2].
Schematic map of Copenhagen's Finger Plan: five built-up fingers along railway lines, green wedges between
Figure 1
IB-style questionOutline[2 marks]

Figure 1 shows Copenhagen's Finger Plan (1947).

With reference to Figure 1, outline two ways the plan decides how land around the city is used.

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In most cities, land values are highest in the CBD.

what CBD stands for.
[1 mark]

Related ESS HL Topics

Continue learning with these related topics from the same unit:

8.1.1Inputs: births and immigration
8.1.2Outputs: deaths and emigration
8.1.3Measuring population change
8.1.4Global population growth and projections
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