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4 ways to recycle plastic bottles

Why is it so hard to recycle plastic? Every year, the world produces 400 million tonnes of plastic – and only a small proportion of this is recycled, and this isn’t proper recycling but “downcycling” – the new plastic is of a lower quality, meaning that almost all plastic eventually goes to waste. But could some hungry enzymes provide a solution? Hear more on People Fixing The World: https://bbc.in/49TlxCJ #plasticpollution #Recycling | BBC World Service