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Carbon credit scheme questioned
Stockholm's Environment Institute says that a UN scheme designed to tackle climate change through the trading of carbon credits may have increased carbon emissions by 600 million tonnes. The ÃÛÑ¿´«Ã½'s environment correspondent Matt McGrath has been investigating.
( Picture: A heavy traffic jam is seen on the road at night in Beijing, China. Credit: ChinaFotoPress/Getty Images)
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