My goal is to make the biggest difference possible in the world. I have only so many resources and so much time.

My goal was to leverage the power of movies and the reach they have and include important messages. Of course, they still have to be entertaining so that people will watch them, but I wanted to make sure there was a message, a takeaway.

My goal was to be at the point - no older than 40 - where I would have enough resources to make a difference in the lives of disadvantaged people.

I backpacked around the world and went to places like Mexico City and Pakistan, where I'm like, 'Oh. Things aren't quite as good.'

However we choose to leave the E.U., let me be clear: we remain committed to dealing with climate change.

I don't want to flee, nor do I want to abandon the battle of these farmers who live without any protection in the forest. They have the sacrosanct right to aspire to a better life on land where they can live and work with dignity while respecting the environment.

Fracking is doable if there's full disclosure of all chemicals used. Secondly, science dictates the policy rather than politics. Third, there's collaboration between environmental groups and the natural gas industry.

But Australia faces additional regional and global challenges also crucial to our nation's future - climate change, questions of energy and food security, the rise of China and the rise of India. And we need a strong system of global and regional relationships and institutions to underpin stability.