Off the coast of Catalonia, an intriguing experiment in the circular economy is taking place. Dozens of fishing vessels are heading out to sea and bringing back tonnes of plastic waste alongside their usual haul. The plastic is then used as the raw material to make recycled designer sunglasses for Barcelona-based company, Sea2see. Thanks to agreements with Catalonian port authorities covering 22 ports, the company helps fishermen across the region bring in around a tonne of plastic waste every three days.
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