11>>Principle 2: use the sunSolar energyWater powerWind energyBio­energyThe sun is the basis for the provision of infinite energy. Today's fossil fuels are finite and have detrimental effects upon our environment. By using energy from the sun and other renewable measures for generating energy you generate positive energy with which you can leave behind a positive footprint.

<<12Principle 3: stimulate diversityThe stimulation of diversity increases the quality of life in buildings and areas. By combining functions, positive forces are strengthened and negative effects prevented.l Biodiversityl Cultural diversityl Diversity in concepts and functions