"A new global agreement is supposed to be signed in Paris in 2015 but, in order for that to happen, much work remains to be done. In more than two decades of U.N. climate talks, some annual negotiating sessions are invariably described as a stop on the road to another, more decisive session. So it goes with the 19th Conference of the Parties to the U.N. Framework Convention on Climate Change, or COP 19, which will be held in a soccer stadium in Warsaw, Poland, later this month." (Quoted from article)