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India, China Said to Drop Opposition to Limits on HFCs in Talks

India and China have reversed course and now support efforts by the U.S. to expand a treaty to cover a new batch of refrigerants tied to climate change, according to participants in the talks.

The shift by the world’s two most populous nations during talks on an accord is seen as a hopeful sign for advocates trying to cut the use of hydrofluorocarbons. Saudi Arabia is still leading nations that oppose expanding the scope of the treaty, according to participants in negotiations that end tomorrow in Paris.