The unwillingness of some big carbon-emitting countries to clean up their act at this month's U.N. climate talks suggests Britain faces political heavy-lifting to make a success of next year's make-or-break summit in Scotland, analysts have warned.
China and the European Union on Monday reaffirmed their commitment to the Paris climate change pact and called other signatories to do the same, saying action against rising global temperatures had become more important than ever.
