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Single use plastic carrier bags are the scourge of the environment. Not only do they create carbon emissions in their manufacture, but they can cause harm to wildlife and sea creatures and take a long time to decompose in increasingly-scarce landfill sites.
British supermarkets have realized that dealing with the problem is good for their costs and public image as well as the environment.
In 2008, seven supermarkets made a voluntary agreement to reduce the number of plastic bags given out by half, compared to the figures for the number of bags given out in 2006.
