Select Whole Foods stores are testing a pizza box made of 100 percent recycled corrugated board, with a perforated top that breaks down into serving plates and a bottom that folds into a storage container for leftovers. The concept, called GreenBox, eliminates the need for throwaway plates or plastic wrap for uneaten portions, and disposes easily into standard-sized recycling bins. The demo on YouTube has garnered nearly 1 million views (http://tinyurl.com/ckbawe). So, what other packaging formats are waiting for reinvention? (Concept: Ecovention, www.greenboxny.com)