Sydney Morning Herald: THE UN climate summit stumbled last night towards a compromise for launching a new global agreement, but it fell well short of the expectations that many countries took to Bali. To the last minute, the United States fought hard to stop the declaration referring to the UN’s scientific advice: for developed countries to cut greenhouse gas emissions by 25 to 40 per cent by 2020 if the world wants to stop global temperatures rising above 2 degrees and avoid the most severe impacts of …