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Biogas from a cows farm as source of sustainable energy and heat for a new neighborhood.
The Netherlands, Goutum
  • Food and organics
  • Electricity and power
  • heat
Public toilets that return composted faeces to the natural nutrient cycle
Switzerland, Geneva
  • Food and organics
  • user
  • inorganic material
Sustainable food production: integration of hydroponics and aquacultura.
The Netherlands, Bleiswijk
  • Food and organics
  • water and liquids
  • air and gases
Rehabilitation of a disused industrial bulding: aquaponic indoor farm production.
United States, Chicago
  • Food and organics
  • water and liquids
  • inorganic material
  • money
Chicago as model of an holistic living system: saving, recycling, “growing" water
United States, Chicago
  • water and liquids
  • nature
urine separation toilets that help turn human urine into fertilizer.
Sweden, Stockholm
  • water and liquids
Making bread and mushrooms out of grains in the beer-brewing process.
Namibia, Tsumeb
  • Food and organics
  • water and liquids
Zoo’s water plant. Sustainable water management: waste water treatment,saving, reuse.
The Netherlands, Emmen
  • water and liquids
  • nature
Saves websites from spam with a trick that helps ocr software recognizing text.
  • knowledge and information
Sustainable reuse of water to drinking water in a dry country.
Namibia, Windhoek
  • water and liquids
From garbage dump to urban park.
China, Jiangmen
  • water and liquids
  • nature
Collection of waste water, treatment of it transfered and used for land irrigation.
Jordan
  • water and liquids
  • nature