Course review

8.2 Urban systems and urban planning

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Learning objective

8.2.1—Urban ecosystems

New

• Biotic components: plants, animals, life forms • Abiotic components: soil, water, air, climate, topography

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Learning objective

8.2.2—Urban area definition

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• Built-up area with high population density • Buildings and infrastructure • Cities, towns, suburbs

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Learning objective

8.2.3—Urban area as system

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• Buildings, microclimate, transport, goods/services • Power/energy, water/sewage, humans, plants, animals

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Learning objective

8.2.4—Urbanization

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• Population shift from rural to urban areas • Land becomes more built-up and industrialized

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Learning objective

8.2.5—Rural-urban migration

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• Greater proportion now live in urban systems • Push-pull factors, forced vs. voluntary

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Learning objective

8.2.6—Suburbanization

New

• Movement from dense central to lower-density peripheral areas • Urban sprawl

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Learning objective

8.2.7—Urban expansion impacts

New

• Loss of agricultural land, forests, ecosystems • Water quality changes, river flow changes, air pollution

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Learning objective

8.2.8—Urban planning purpose

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• Decide best land and building use • Meet stakeholder needs: physical, domestic, environmental, commercial

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Learning objective

8.2.9—Sustainable urban planning

New

• Quality housing, public transport, green spaces • Renewable resources, waste recycling, energy efficiency

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Learning objective

8.2.10—Ecological urban planning

New

• Treats urban system as ecosystem • Urban ecology: green spaces, wildlife habitats • Urban farming: beekeeping, horticulture, city farms • Biophilic design: green walls/roofs, water features, natural light • Resilience planning: vertical farming, flood-adaptive building • Regenerative architecture: air-scrubbing building skins, energy export

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Learning objective

8.2.11 (HL)—Ecological planning principles

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• Urban compactness, mixed land use, social mix • Reduced sprawl, less car dependency, better transport • Increased accessibility and social equality

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Learning objective

8.2.12 (HL)—Urban sustainability models

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• Circular economy, doughnut economics • Promote sustainability within urban system

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Learning objective

8.2.13 (HL)—Green architecture

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• Minimizes harmful construction effects • Environmentally friendly materials and practices • Combines indigenous knowledge, bio-based materials, circular construction

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