Plastic bag use by the supermarkets is on the rise again – eight billion single-use plastic bags were given away to shoppers last year. But who is responsible for weaning us off them? (more on plastic bags...)

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Free plastic bags have divided opinion here on Which? Convo. Of late, the Prime Minister warned supermarkets to hand out fewer, with a ban on all single-use bags (including paper) coming into force in Wales. (more about banning free plastic bags...)

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Mayor Boris Johnson wants to ban free plastic bags across London before the 2012 Olympics, calling them an ‘unnecessary scourge on our environment’. Will you back Boris, or is there still room for plastic bags? (more about banning free plastic bags...)

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Figures out today show the UK's using more plastic bags, but usage in Ireland, where they charge for bags, is dropping. Meanwhile, our poll of over 3,000 shows huge support for free bags. Will our cynics be swayed? (more about banning plastic bags...)

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If you live in Wales you'll have to pay 5p for every new plastic carrier bag from next year. Is this an eco-friendly scheme that should be rolled out across the UK or just another way to squeeze money out of shoppers? (more about paying for plastic bags...)

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