The key to a better tomorrow is not as complicated as one would think, but in fact, far simpler The key to a better tomorrow is not as complicated as one would think, but in fact, far simpler. "Treading Lightly: The Joy of Conservation, Moderation, and Simple Living" is a call to solving the world's energy and environmental issues by simply living a simpler and more Earth-friendly life. Saying that standard of living doesn't have to fall, but much wiser decisions must be made, "Treading Lightly" offers newer and more innovative ideas for readers who are concerned about the state of the environment.