Being green isn't just about driving a Prius and eating organic: it's an ecofriendly lifestyle that incorporates all aspects of your life--including your sex life. Planet Green (the earth conscious little sister of the Discovery Channel) has a comprehensive list of ways to screw without screwing over Mother Earth. And it's not all about patchouli and giving up waxing; some of our favorite companies (and activities!) get the green seal of approval. (planetgreen.discovery.com)