29 Apr 2020 --- Used coffee grounds can be upcycled to serve as a new non-wood source “in large amounts worldwide,” according to new research from Yokohama National University, Japan. The research team found that the amount of cellulose contained in coffee grounds per gram of dry weight is much lower than that of wood. Predicting that these coffee grounds could contribute to developing sustainable green chemistry in the form of bioplastics, solid collaboration between academia, government and industry must first be established.