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The Extended Metabolism Model of Human Settlelemnts
Resource Input
  • Land
  • Water
  • Food
  • Energy
  • Building materials
  • Other resources
Dynamics of Settlements
  • Population dynamics
  • Economics
  • Technology
  • Management
  • Institutions and cultural factors
Livability
  • Health
  • Employment
  • Income
  • Education
  • Housing
  • Accessibility
  • Urban design quality
  • Community
Waste Outputs
  • Solid waste
  • Liquid waste
  • Toxics
  • Seweage
  • Air pollutants
  • Greenhouse gases
  • Waste heat
  • Noise
The Extended Metabolism Model calls for reduced resource use, reduced waste generation and greater livability. In the above structure, it therefore advocates a reduced Resource Input, that will result in lesser waste outputs and greater livability.

Source: "State of the Environment: Australia, 1996" State of the Environment Advisory Council, Sydney, Australia.

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Contact: Hari Srinivas - hsrinivas@gdrc.org