Reuters: The U.N.’s main fund to help poor nations adapt to climate change is so short of cash it may not be able to hold meetings next year, the head of its board said on Saturday. Richard Muyungi, a Tanzanian government official who chairs the Adaptation Fund Board, told Reuters on the sidelines of Dec. 1-12 U.N. climate talks in Poznan that donors must stump up several million dollars urgently just to keep it running. “We need money as soon as possible now, because we cannot even …