The Best Green Exercise for Abs... is a Quickie Workout In Bed?

If you want to get great abs without impacting the planet, do it in bed. Yes, some of the best green exercises are those that you do before you start your day, before you even put your feet on the floor, using zero energy (except your own) and requiring no electricity-sapping equipment. In fact, you don't even have to wear clothes! But don't for a second think that just because it's a workout in bed means that it's easy. You can burn a serious amount of calories and tone your abs to six-pack perfection in just minutes a day.

Keep reading to learn what this workout entails!