The question of whether or to what extent human activities are causing global warming is not a matter of ideology, let alone of belief. The issue is simply one of risk management.

While our energy efficiency is improving, there is a very high correlation, almost near perfect correlation, between GDP growth, and energy usage.

You cannot keep on saying oh, you know, talking about disrespecting women as just being politically correct or it's not a big deal or brushing things off. You've got to be aware of it.

Gone are the days when your indiscretions at university were recorded in a roneoed college newsletter of which there is only one copy left tucked in a filing cabinet at the back of a library. Today that same college newsletter is online, accessible by the whole world now and forever.

I love radio - its immediacy and especially its intimacy... it is part of your life, whispering into your ear. You can't see it, but equally importantly it can't see you.

If you try to come to Australia by boat, even if we think you are the best person in the world, even if you are a Nobel Prize winning genius, we will not let you in.

Nobody looks at opinion polls with more attention than politicians, but of course you've got to remember that a single poll is a snapshot in time.