Reuters: A U.S. submission to U.N.-backed negotiations shows how a scaled-down global climate deal which falls short of a full treaty can be agreed in 2015.
Much will depend on the United States, as the world's second biggest carbon emitter whose present administration will be in place beyond the deadline for agreement on a new deal.
National climate negotiators meet this week in Bonn, Germany, in a process which has lost much steam since a debacle in Copenhagen three years ago when countries could...