Wilderness has become one of the world's fastest disappearing resources, and it is non-renewable. Yet unlike oil, gold or woodchips, it is essential to the wellbeing of humanity. We are made of it and fashioned by it...our psychological beings resonate with it.

Behind every successful man there's a lot of unsuccessful years.

With a small fraction of the hundreds of billions of dollars spent on the Iraq war, the US and Australia could ensure every starving, sunken-eyed child on the planet could be well fed, have clean water and sanitation and a local school to go to.

In securing the future of the planet, we secure happiness for ourselves. One of the aims of the Greens is to turn around the tide of pessimism amongst the young people of the world.

Every time I get a bit worried about having made some second rate choices in life I go back and read about the Suffragettes or William Wilberforce, people who were "wrong" in their own time and think, ah well.

There are better alternatives... Australia should be exporting its solar technology, not its uranium.

I'm a very great non-violent character. I would never resort to violence to change anything.