AAP: Climate Change Minister Penny Wong has rejected criticisms Australia is dragging the chain at UN climate talks in Poland. Developing countries at the talks are demanding rich nations cut greenhouses gas emissions by between 25 and 40 per cent below 1990 levels by 2020. But there is mounting speculation the Rudd government will go with a target of between 5 and 15 per cent when it releases its carbon pollution reduction scheme (CPRS) on Monday. Senator Wong says she …