The cost of primary needs of people like food, shelter, healthcare and education is inversely proportionate to calm and pleasant living. The disturbances in individual lives caused by the unaffordable costs in these sectors shall appear as turbulence in social life. For any economy to achieve stabilized growth and any civilizations to ensure further prosperity, the above basic facilities should remain affordable and accessible to all. These kinds of affordability and accessibility are quite essential for a calm and pleasant life.
Practice it and make it a habit. Then the nature will make it sustainable by triggering necessary genetic engineering!