Examine the legacy that we inherited and what we did. We had boom-and-bust economics and a doubled national debt.

Fifteen years ago, if you said business will help save the environment people would have laughed at you. Today, I believe that is a serious proposition.

In Downing Street they called me 'Boss'. Civil servants would always call me 'Prime Minister'.

Whatever the dangers of the action we take, the dangers of inaction are far, far greater.

When my parents were growing up the world's population was under three billion. During my children's lifetime, it is likely to exceed nine billion. You don't need to be an expert to realise that sustainable development is going to become the greatest challenge we face this century

Surely we have the wit and will to develop economically without despoiling the very environment we depend upon

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.