Reuters: Developing nations accused the rich of meanness on Saturday at the end of U.N. climate talks that launched only a tiny fund to help poor countries cope with droughts, floods and rising seas. They said the size of the Adaptation Fund — worth just $80 million — was a bad omen at the halfway mark of two years of negotiations on a new treaty to fight global warming designed to be agreed in Copenhagen at the end of 2009. “We are so sad and so disappointed,” Colombian Environment …