Our determination to defend our values and way of life is greater than their (terrorists) determination to cause death and destruction to innocent people in a desire to impose extremism upon the world.

We can debate this or that aspect of climate change, but the reality is that most people now accept our climate is indeed subject to change as a result of greenhouse gas emissions.

Personally, I have already turned down the Downing St thermostat by 1 degree

This mass terrorism is the new evil in our world today. It is perpetrated by fanatics who are utterly indifferent to the sanctity of human life, and we the democracies of this world are going to have to come together and fight it together.

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

Any parent wants the best for their children. I am not going to make a choice for my child on the basis of what is the politically correct thing to do.

The world is a better place with Saddam in prison not in power.