The eco guide to good plastic

Ellen MacArthur and the New Plastic Economy initiative are determined to make a real difference in tackling the terrible problem of our plastic-polluted oceans

Last summer Adidas released a good-looking trainer with uppers made using plastic recovered from the ocean. Everyone was very excited, but my response was: "That's not the most efficient way of cleaning up the ocean."

Small bits of plastic packaging such as lids, sachets and films pose the biggest nightmare