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India Blocks Talks to Cut Greenhouse Gases Using Ozone Treaty

India is blocking an international plan to reduce the polluting gases used in air conditioners and refrigerators, saying negotiators are trying to use the wrong treaty to bring about changes.

International envoys have sought to bypass log-jammed United Nations climate-treaty talks by handing responsibility for reducing hydrofluorocarbons, or HFCs, to the Montreal Protocol. That’s an instrument designed to protect the ozone layer rather than the climate.