In many parts of the world, an empty bottle isn’t rubbish. It’s something you keep. Something you return. Something you don’t casually throw away. In places like Uganda, returning an empty beer or soda bottle isn’t a virtuous act. It’s a practical one. Shops often won’t sell you a new drink unless you bring one back. The bottle has value — not symbolic value, but usable value. In countries like Austria and Denmark, that same logic is formalised. Bottles carry a deposit. Machi