Certainly it is the government's policy that our nation needs to reduce the amount of carbon pollution in our atmosphere by five per cent by 2020. That is why we have enacted carbon pricing. I absolutely accept from the Speaker that it is not for me to speak for other political parties, though I think I can probably say that in the public debate to date it has been viewed as bipartisan policy that we are aiming as a nation for a five per cent reduction in emissions by 2020.