Living sustainably means making sure you and the rest of the world have enough resources to live comfortably in the future. Sustainable living is good for the environment and your wallet. One of the most important steps toward sustainability is figuring out what you really need and not just what you want. To live sustainably you need to beware of advertising and impulse buying, which makes you purchase things you don't really need or want. You can start living more sustainably right now. Learn all this and more in Sustainable Lifestyles in a Changing Economy.