THE MOVEMENT to a greener lifestyle has become a significant factor influencing the choices we are making in our lives every day. By now we've all probably bought some CFL bulbs to save electricity, taken steps to make our homes more insulated and energy efficient, and tried to cut down on our driving. These steps are a good start, but in actual fact we are on the threshhold of a true lifestyle revolution. Since most of the energy consumed in our modern lives is used to heat, cool, and illuminate [...]