PARIS -- The international agreement on fighting climate change from 2020 onward looks increasingly likely to enter into force just before a United Nations conference in early November, possibly leaving Japan behind.
The European Union has begun steps toward ratification sooner than expected, a move that may prove decisive. Among big emerging economies, India has said it will ratify on Oct. 2. The U.S. and China, the world's top two emitters, have already done so.
