Xinhua: Defining actions to deep emissions cut by industrialized countries will be the central issue to be addressed in a new round of UN-sponsored climate change negotiations, started with the five-day Bangkok Talks March 31-April 4, said the United Nations’ top official on climate change on Tuesday. "Central to a successful Copenhagen agreement is clearly going to the deep emission cut by the industrialized countries, which are the main one responsible for the problem, and the one the …