Terracycle is no stranger to challenges. The company actually seems to thrive on exploring new ways to upcycle and recycle traditionally non-recyclable waste into new products. Still, none of the items the company has saved from landfills thus far, including drink pouches and chip bags, has been as challenging as their recent conquest. It’s dirty, stinky and not so easy to recycle and usually no one really wants to mess with it. Yes, we’re talking about disposable diapers.