There are some things that can't be measured.

If you complain, you’re ‘playing the victim’; if you don’t complain, you are a victim.

Climate change is real and it is caused to a significant extent by human activity.

In the quest for comparative advantage, investment will flow towards those countries that can offer more output for fewer emissions. Inaction will cost jobs. Action will support jobs.

One of my prized possessions is still the prefect's tie that I got in this school. I keep it with me. It was the first leadership position I ever had.

If we change the way the electricity sector operates, we can bring down our levels of carbon pollution, and continue the crucial task of tackling climate change. Putting a price on carbon would do this.

So in many ways for me, having lived through what I've lived through, and endured what I've endured, I've got more confidence that I can do the next bit - and there's something sustaining about that.