Urban symbiosis for the bio-economy

The basic model of urban symbiosis

It hasn’t been done as far as I know, but it would be good to plan a city or town along urban symbiosis lines. And to concentrate on bio material, including nutrients, being used and circulating as long as possible in the urban economy.

The diagram above shows the basic pattern:

  • Four major functions
  • Four major flows

It is called symbiosis because the design calls for the four flows and functions to synergise with each other. For example, nutrients from sewage and household organic waste can be used as soil amendments. Water flowing can generate electricity, waste heat from industries can be used in greenhouses, etc.

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