source: X-WE MUST DESC-REFORE STAND BY X-WE OFFER 30 % REDUCTION IN CO2 BY DESC-20 SCIENCE TELL X-WE THAT X-WE NEED TO BE IN DESC-UPPER END BETWEEN 25 % AND 40 % .
  
target: we must therefore stand by our offer of a 30 % reduction in co2 by 20the science tells us that we need to be in the upper end between 25 % and 40 % .
  