BBC: UN climate talks in Poland have ended with delegates reaching a compromise on how to fight global warming.
After 30 hours of deadlock, they approved a pathway to a new global climate treaty in Paris in 2015.
The agreement was achieved after a series of last minute compromises often involving single words in draft texts.
Negotiators also made progress on the contentious issue of loss and damage that developing countries are expected to suffer in a warming world.
Green groups were angry...