Green fast-food is a bit of a contradiction, right? Well, Greenopia is out with their list of the greenest fast-food restaurants, and the three that earned the highest rating (four green stars) are EVOS, Le Pain Quotidien, and Pizza Fusion. (Sorry, McDonald's and Burger King :)
I haven't been to EVOS or Pizza Fusion, but I've been to Le Pain Quotidien numerous times. I can definitely vouch for their menu, in which you'll find plenty of organic, local, and vegan options. I guess I've never considered Le Pain to be "fast-food" because it's so good. Look at the picture on the right -- it's a little different than the "fast-food" that we've unfortunately become accustomed to, right? Hopefully, there will be more fast-food options as good as Le Pain, so our perception of the quick service changes (and we all eat better and get healthier, too).
Having never been to Pizza Fusion or EVOS, I can't vouch for the quality of their food, though according to Greenopia, EVOS has made a serious commitment to being green: