In essence, one has to look the cost of the carbon emissions, and consumer habits have a lot to do with it.
That's not the main subject here, but you cannot set targets and put the burden totally on industry that has demonstrated that it's done a lot already. We can demonstrate very easily that even by shutting it down completely you'd still be short of the objectives being set.
So the issue is a difficult one that we're not backing away from. We'll do our share, but we cannot do others' share.