source: DESC-FIRSTLY , DESC-DEEP AND DESC-AMBITIOUS EMISSION REDUCTION COMMITMENT BY DEVELOP COUNTRY BY DESC-20IT BE DESC-ALSO DESC-CLEAR THAT MORE BE NEED IF X-WE WANT TO STAY WITHIN 2 ?C WARM .
  
target: firstly , deep and ambitious emission reduction commitments by the developed countries by 20it is also clear that more is needed if we want to stay within the 2 ° c warming .
  