Reuters: South Korea hopes to be a bridge between rich and poor countries in fighting global warming by setting itself 2020 goals for greenhouse gas emissions, the nation’s climate change ambassador said on Saturday. South Korea is one of very few countries outside the 37 industrialised nations in the U.N.’s Kyoto Protocol talking of national goals for emissions under a new U.N. climate treaty due to be agreed by the end of 2009. "We would like to play a bridging role between developing …