Agence France-Presse: UN experts warned on Tuesday that Asia-Pacific nations and other developing countries need support to combat climate change as they face an intensification of extreme weather such as the Philippine floods. The comments came as a divide between rich and poor nations continued to dominate crucial negotiations in Bangkok to develop a new climate treaty before world leaders meet in Copenhagen in December. UN climate chief Yvo de Boer said one of the “key elements” of a deal was …