webphotographeer/istockphoto
DCL
If you really want a true green body-slimming routine, then forget about electrically-powered equipment and use only what Mother Nature gave you—the great outdoors for cardio and your own body weight for resistance. But some of us find motivation from being surrounded by throngs of other exercise-enthused at the gym. Well you can still use machines to your body's benefit without being a detriment to the environment by choosing self-powered cardio machines.
