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UN Proposes Changes to Hydrofluorocarbon-Reduction Projects

A United Nations-overseen panel that helps set the rules of the world’s second-biggest carbon market proposed to change how regulators determine the number of credits awarded to plants that cut hydrofluorocarbon-23.

Regulators are clamping down on projects that reduce emissions of HFC-23, which has a global-warming potential 11,700 times more powerful than carbon dioxide, and the European Union earlier this year banned the use of credits linked to the industrial gas in its emissions-trading system from 2013.