BBC: UN climate negotiations are bogged down in a dispute over who will take legal responsibility for the loss and damage caused by climate change.
Rich countries say they will strongly resist this move.
Secretary general Ban Ki-moon opened the ministerial segment of the talks in Warsaw, Poland with a warning that the world was facing the wrath of a warming planet.
Mr Ban called on delegates to respond with wisdom, urgency and resolve.
He told delegates that climate change threatens current...