My weekly treat is a Starbucks cappuccino. On each visit it jars when I see that, after the barista pours the cappuccino from the metal pitcher into the Starbucks paper cup, a certain amount always remains in the pitcher, and this is just poured into the sink.

Recently, I began to use my own coffee cup to reduce paper and plastic waste (and also the price: Starbucks gives a ¥20 discount to customers bringing a personal cup).

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