The viewpoint of sustainable development is so embryonic, that I daresay ninety percent of the educated public could barely hazard a guess as to what it is. But, when it comes to actually changing the way we do things, the UN never challenges, but instead embraces economic globalism and growth oriented solutions. To sustain means to maintain, to supply with nourishment, and to support the vitality of something. Certain places, through the peculiar combination of physical, cultural, and, perhaps, spiritual characteristics, inspire people to care for their community. These are the places where sustainability has the best chance of taking hold.
Spiritual growth is the foundation for a healthy society.
This applies to rich and poor alike.