Guardian: The European commission today reopened the debate on whether Europe should volunteer to cut its carbon emissions further, but stopped short of recommending such a move. Connie Hedegaard, climate commissioner, said the recession would make it cheaper than expected for the continent to hit its target to reduce carbon pollution 20% by 2020. Raising the target to 30% by 2020 would also cost less than first calculated. Hedegaard said: “Whether to increase our reduction target for …