As we enter a new millennium, human civilization faces numerous challenges. Much of our present infrastructure and processes are unsustainable. Industry pollutes with enduring toxins. The farming and food infrastructure depletes the water, minerals, and biological base essential for soil to grow healthy natural food. The concept of determining the "footprint", or area of naturally recycled resources required to provide for the uses of a person, city, nation, or the global population, shows that in almost every defined area, whether political or physical, is beyond a sustainable population.