Mood of 'realism' about future deal at climate talks

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http://www.bbc.co.uk/news/science-environment-24857163

Negotiators from around 190 countries are meeting in Warsaw to try to advance steps towards a global climate agreement.

Participants say there is a growing sense of realism about the scale of what can be achieved in any new deal.

But there are concerns that the process could become bogged down in procedural wrangling after Russia asked for a review of voting procedures.

The meeting comes amid new warnings about global levels of warming gases.