What is living sustainably and how does it relate to the analogy of "living off the interest instead of living off the principal "? What changes are needed to approach this ideal?

Question

Quizplus · Accepted Answer

The Answer is If the world's resources were considered a bank account, then living off the interest instead of having to tap into the principal would be considered living sustainably. Environmental sustainability is the ability to meet humanity's current needs without compromising the ability of future generations to meet their needs. This means keeping the principal intact. To approach this ideal, natural resources are not overused, excessive pollution is not generated and economic growth is balanced with environmental conservation.

What Is Living Sustainably and How Does It Relate to the Analogy