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The British prime minister, Theresa May, has pledged to eradicate all avoidable plastic waste in the UK by 2042. The commitment is part of the government's 25-year plan to improve the natural environment. Green groups are angry the proposals will have no legal force. Dan Damon talked to Sian Sutherland, co-founder of A Plastic Planet which wants to see plastic-free aisles in supermarkets as part of its campaign against plastic waste. (Picture: Constantine beach in Cornwall is among those awaiting a clean-up Credit: Getty Images)
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