Undoubtedly, at the moment, the major cause of CO2 emission is what happens in developed countries.
I believe in trying to get a balance between individual freedom on the one hand and social responsibility on the other.
So, what I say to people is that politics has got to be about principle and values above all. Of course, there are times when you have to make accommodations.
It is almost always wrong that the time isn't ripe to decide something. That is always said of difficult problems.
But the ability to articulate what you are doing, to be clear about it, and to stick to it is, I think, the essence of political leadership.