You finish that last sip of morning coffee and stare at the empty paper cup. Should it go into the recycling bin or the trash compactor? That’s what officials at Diné College want people to ponder before they throw something away.You finish that last sip of morning coffee and stare at the empty paper cup. Should it go into the recycling bin or the trash compactor? That’s what officials at Diné College want people to ponder before they throw something away.