[Al Arabiya Latest] World leaders worked through the early hours to try and beat a Friday deadline for a deal on cutting emissions and helping poor countries cope with the costly impact of global warming.Hopes for the last day of U.N. climate talks were raised by a U.S. pledge to a climate finance fund, but leaders still warned of failure amid debate on sharing the burden of carbon-emissions cuts.
After days of stalemate, the United States revived the 193-nation talks on Thursday by backing a $100 billion climate fund to help poor nations adapt their economies and tackle threats such as failing crops and dwindling water supplies.