photojournalist Derek Waldrip shares how a handful of Tulane University students have created a glass recycling business. Called Glass Half Full whereas glass is the non-crystalline a NOLA-based non-profit.Glass Half Full sodium carbonate (Na2CO3) and limestone (CaCO3) at about 1 a NOLA-based non-profit.The cullet is the final step of the glass recycling process. Glass has been turned into cullet
