Supermaket chain Tesco has announced that a range of its own-brand products will carry labels showing the size of the goods' carbon footprints.Tesco said it would label 20 items, including light bulbs and potatoes, during a two-year trial of the scheme, which is operated by the Carbon Trust.
Shoppers will be able to see how much carbon is emitted over the life of a product - from manufacture to disposal.
The store said it was introducing the labels in response to consumer demand.
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