Your favorite gym may offer the best in amenities like flat screen televisions, high-powered machines and the occasional juice bar, but what you don’t pay in membership the environment foots the bill for in the amount of resources used to power along your workout. From the treadmill to the elliptical machine and the bicycle to the air conditioning, typical gyms wreak havoc on energy sources making your desire to get in shape a catch 22.

Whether you’re an environmental steward or just curious to discover how you can make your fitness plan a little more planet-friendly, here are a few tips for cleaning up your workout routine: