Tag Archives: sustainability principles

The Four Principles of Sustainable Life

The Natural Step outlines the 4 principles of sustainability, a foundation for a lifestyle that maximizes sustainable well-being. This post looks at Ecological Footprint as one quantifiable measure of resource use (our lifestyles need to use the resources of 1 planet whereas the current average American lifestyle requires 4 planets worth of resources). Money is another quantifiable way of viewing resource use. Our conversation briefly describes the current inequity in wealth distribution in the U.S. and suggests that a fair amount of money to live on for a family of 4 would be $40,000 per year in income, with wealth of about $127,000.