"And that would require that global emissions go down by at least 50 percent of the 1990 emissions by the year 2050."   The U.N.' Greenhouse emissions are thought to be causing global warming.  "We did not come to Bali to just have another process, and we have two years of talks.  U.N.  The Bali conference is expected to end on Friday. Climate Change Conference being held in Bali.   The U.S. says targets should come later, after negotiations begin.   The Roadmap establishes a time frame and scope for reaching a post-2012 climate change agreement.  After some further statements by other nations, the US said that they can not accept the changes, as they would considerably change the balance of the text.  The EU went on to state that in the spirit of negotiations, they agreed with the proposed changes.  This includes setting, for industrialized nations, targets for reductions of greenhouse gas (GHG) emissions.  The decision was made at this year's United Nations Climate Change Conference in Bali.  This is where the guideline emissions cut range would have been.  This agreement is expected to include the setting, for industrialized nations, of reduction targets for greenhouse gas (GHG) emissions, amongst other things.   The Roadmap establishes the target year of 2009 and the scope for a post-2012 climate change agreement.  It also recognizes that "deep cuts in global emission will be required" to avoid dangerous climate change.   