Multidisciplinary
The triangle on a plastic container is not a promise that it can be recycled. It is an identification number, and most of the numbers mean no
28 Sept 2026 · 9 min read
Recycling fails for two reasons that have nothing to do with public willingness: most mixed plastics cannot be sorted economically, and polymers get worse every time they are melted. Aluminium is the exception, and it shows what a real loop looks like.
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