"The economic slump has cut the cost of meeting the EU's current 2020 emission reduction target by nearly a third, making a move to a 30% cut affordable, according to a draft European Commission communication seen by EurActiv ... The Commission notes that the potential of the EU's flagship climate instrument, the emissions trading scheme (EU ETS), to spur low-carbon investment has been "severely affected for a long time"." (Quoted from site)