I think the center ground have got to become the people of change again and not the guardians of the status quo. And that is the weakness it comes to in our campaign. You can see it in your politics, you can see it everywhere.

There is no doubt that the time to act is now. It is now that timely action can avert disaster. It is now that with foresight and will such action can be taken without disturbing the essence of our way of life, by adjusting behaviour not altering it entirely.

Climate change is probably the greatest long-term challenge facing the human race.

I do believe that if you reach a just and fair settlement between the Israelis and the Palestinians it will have a massive influence on countering extremism. Which is not to say that the Israel-Palestinian situation is the source of the problem, but it is very potent fuel.

I had no intention of returning into the British political debate, really at all, even though I've obviously got very strong views on it, until Brexit happened, because I think Brexit is a destiny-changing decision for my country.

My view is that you still, in order to win from the Labour perspective, have to have a strong alliance with business as well as the unions. You have got to be very much in the centre ground on things like public sector reform.

My view is that we're entering into a situation of enormous instability, insecurity, fragility.