Exchanges flock to emissions trading

Two large exchanges have outlined their plans to move into carbon emissions trading just two days after a leading European derivatives market began trading its first energy-related product.

NYSE Euronext said today it is to buy Powernext Carbon, the carbon emissions trading business of Powernext, the energy market the world's largest stock exchange established with French investment house Caisse de Dépôts et Consignations.

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