Given the fact that commerce is a very essential for-profit social service, all individuals who are part of the commerce should organize their commercial activities with high levels of integrity and social commitment. The selection of a commercial activity as a livelihood by an individual should be either guided by the felt demand from the society or it should be a preparation for the wellbeing of the society in future. Each such commercial activity should be a logically coherent, ethically acceptable and financially affordable solution for the service demands of the society. No unwanted or unreasonable commercial activity should be enforced upon the society. Anything done against this principle shall make ‘calm and pleasant life’ impossible.
Practice it and make it a habit. Then the nature will make it sustainable by triggering necessary genetic engineering!