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I don't know if I'm reading satire or not.

Glass is much more energy-intensive to create and process than plastic, and its strength-to-weight ratio means that you'll be spending more energy (carbon emissions, whatever) on transportation too. It's also not flexible nor resistant to impact.

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But it won't invisibly accumulate in your food chain.

Depends how you power the glass factory. It certainly can if you use coal or gas.

Natural gas is clean, apart from CO2. And if the glass is reused, you don't need so many factories.

I forgot about leaving bottles for the milk man. Certainly a more expensive way of doing business than a one off bottle you don’t have to collect and clean though.

Glass reuse was everywhere before the modern disposable age. My first ever job was crating beer bottles for return to the brewery.

One problem is, the economic externalities are not priced into plastic.

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