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Every year the world produces 400 million tonnes of plastic 鈥� the same weight as all the humans on earth.

Only a small proportion of this is recycled, and this isn鈥檛 proper recycling but 鈥渄owncycling鈥� 鈥� the new plastic is of a lower quality, meaning that almost all plastic eventually goes to waste.

But now French company Carbios is using enzymes to break plastic down into its chemical building blocks 鈥� which can then be used to make high quality plastic again.

So is plastic on the brink of becoming a resource like glass or aluminium, that you can keep on moulding and recycling again and again?

Presenter: Myra Anubi
Reporter/producer: William Kremer
Series producer: Jon Bithrey
Sound mix: Gareth Jones
Editor: Penny Murphy

email: peoplefixingtheworld@bbc.co.uk

Image: Carbios scientist holds pieces of plastic, 大象传媒