In collaboration with Grupo Agroindustrial Numar, packaging giant Amcor has created a flexible, all-paper butter and margarine wrapper. While plastic tubs and composite wraps are most likely to end up either incinerated or in landfill, this solution can go right into the compost bin with your leftovers. We do not yet know how widely this will be rolled out, but with a serious R&D budget in play and global reach, this could scale at lightning speed.