I didn't want to be a shock absorber; I wanted to deliver the shock.

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

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.

The pursuit of eternity is no longer the prerogative of the gods - it is the business of us all, here and now.

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.

There's a presumption that somehow you calculate beforehand whether something is going to be good politically or not. I simply don't.

The reality is that if we in this rich, lucky quarter of the planet cannot make a stand for the 30 million other species we share this planet with, let alone our own species, then who can?