U.n. Climate Change Secretariat

The "snail's pace" of progress on an accord to combat climate change caused widening unease at UN negotiations on Friday, with time fast running out before a Paris summit at which a global agreement is due to be reached.

The "snail's pace" of progress on an accord to combat climate change caused widening unease at UN negotiations on Friday, with time fast running out before a Paris summit at which a global agreement is due to be reached.