Four years of trash in a Mason jar

It’s an idea for a 30 Day Challenge. See how little trash you can produce in one month and how many of the changes you make to your daily life are sustainable for you.

It’s also a good research project theme: how much trash and food waste do Japanese businesses produce, and how easy would it be to change policy in ways to encourage them to produce less waste? A lot of supermarkets now charge ¥2 or ¥5 or ¥10 for plastic bags, but convenience stores don’t. Should they?

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