When you think about the Copenhagen deadline, it has focused people's minds ... So China has moved its position, India has moved it's position, Japan has recently moved it's position. There is a lot further to go, and there is a danger that we won't get a deal, but it's right that government from around the world, as we're doing in London today and tomorrow, strain every sinew and throw everything at it to get a deal because a lot does depend on it.