CHOW Associate Editor Roxanne Webber regenerates her green onions, creating an endless loop of onion tops to use in her cooking—like in this recipe for Sweet Corn with Scallions. We’ve got more green tips that will put a little ecofriendly spring in your step: Employ your leftover coffee grounds as an exfoliant. Learn how to extend the use of veggie scraps and a chicken carcass. Plus, how to do your dishes and clean your counters the environmental way.