Government will not nominate the former Labor prime minister [Kevin Rudd] to be the UN's next secretary-general.

Climate change is a global problem. The planet is warming because of the growing level of greenhouse gas emissions from human activity. If this trend continues, truly catastrophic consequences are likely to ensue from rising sea levels, to reduced water availability, to more heat waves and fires.

Look at countries like China, they are determined to dominate all clean technology areas, putting lots of money into wind, solar, electric vehicles and battery storage. America's political impotence, caused by their terrible partisanship, will see them left behind.

Americans understand that they have no stronger ally, no better friend, than Australia.

I have always been generous because I know that I have done well in life and I believe it is part of my duty to give back. So I am always been philanthropic.

When politicians offer you something for nothing, or something that sounds too good to be true, it's always worth taking a careful second look.

This is a very tough business, politics. It's easy to get resentful or full of bitterness ... (but) I think hatred hurts the hater more than the hated. So I'm looking back on my time positively.