Next step after the recyclable, edible! Eat his glass to protect the environment, so it’s possible, if and only if the cup in question is made of agar agar. “Agar agar is a word of Indonesian-Malay origin, called the E406 in the list food additives.
It is a product gelling obtained from red algae belonging to the families of Gelidiacées and Gracilariacées. “But enough of Wikipedia … this gelling natural scented with lemon or mint can be eaten or decompose in nature without damaging our environments. Awesome!