Ever wonder what to do with that empty paper cup after finishing your morning coffee? Pile of Scrap host John Sacco travels to St. Louis, Missouri to ask paper recycling master, Leonard Zeid, just that. As Executive Vice President of Midland Davis Corp. and President of Paper Stock Industries (PSI), a national chapter of ISRI, there’s no doubt he knows the business. Everything from determining what to put in your blue bin, the increase in corporate environmental sustainability, and the unnecessary “go paperless” phenomenon, Zeid answers it all.