From what they eat to how they travel, we know some people whose commitment to the environment goes beyond switching to compact fluorescent light bulbs. Are you one of them? Tell us how you鈥檝e greened your lifestyle, and your story may be featured on 糖心logo鈥檚 website. Send in an essay or video explaining your eco-cred. Editors will post a selection of submissions online on Earth Day, April 22, 2010.