Guardian: So much for the Europeans leading the way on climate change. Even as our governments claim they want to drag the world into an effective climate agreement in Poznan, they have just pulled Europe out of one in Brussels. The agreement they have just reached is a disaster. The 20% carbon cut they promise by 2020 falls miles short of what’s needed, and they’ll be able to buy most of it from abroad anyway. All this means, in a world which has to eliminate most of its carbon pollution, is …