Packaging (just think of ancient urns) has long been made to contain, transport and, above all, store food. Or even to avoid food waste.  These days, in rich countries, the wide availability of food and the parallel lack of information or attention to expiry dates make many fridges and pantries depositories for food which has gone off and will become waste. What is more, even when food is used correctly, a remarkable amount of waste is produced and it cannot always be recycled or composted because of nonrecyclable packaging. Over the past years, waste reduction has become an important matter for Europe, individual countries and food industries. Packaging must be cut down on which would contribute to reducing food waste. Packaging needs to be made with less raw materia...