BBC: UN climate negotiators are meeting in Peru to try to advance talks on a new global agreement.
One hundred and ninety-five nations have committed to finalising a new climate pact in Paris by 2015's end.
The process has been boosted by recent developments, including a joint announcement on cutting carbon by the US and China.
The two weeks of discussions start amid record-breaking global temperatures for the year to date.
According to the US National Oceanic and Atmospheric Administration...