🔬 Science 1d ago · Natural History

Portugal collects used wine corks from shops, restaurants and other collection points and sends them for grinding and recycling into products including insulation, flooring and other cork composites.

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A used wine cork is a natural material, it looks recyclable, and yet dropping it in your household recycling bin is almost certainly the wrong move. Most kerbside systems aren’t set up to catch something that small and light, made of a material they don’t process. So the cork gets sorted out and sent to landfill or incineration anyway.
Portugal, which supplies a large share of the world’s cork, has built a separate route to catch those stoppers before they’re thrown away.

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