FACTOR FOUR - best practices

• Microclimatic shell for buildings
  
  
• Gluing with protein and starch
  
  
• Waterless urinals
  
  
• Cities save costs through intracting
  
  
• Virtual answering machines in the telephone network
  
  
• Cutting wood with water
  
  
• Drinking water
  
  
• Light-emitting diodes
  
  
• Biomass as an energy source
  
  
• Wood-chip insulation
  
  
• Unburned clay building mterials
  
  
• Circulating pump
  
  
• Lotus-effect