In our early period we pretty much survived or perished on our capacity to reach people, and on getting into the pattern of having no money and playing lots of shows.
It's absolutely not acceptable for people to argue that, if we are going to do anything about climate change at all, well, the responsibility lies solely with the individual.
Some people are born with the necessary gift, and some work hard to build on the few gifts they have.
The forces that are in play on climate change essentially revolve around the generation of power, the transportation of goods and services and people, and the sorts of materials that we use to fuel the whole of our civilisation.
The place where the system and people's intentions meet is the political arena.
You don't want to spend your life explaining yourself.
What generally happens in this county is that our politicians don't serve us well because they don't tell the truth, and they don't keep their promises.
Climate change is such a huge issue that it requires strong, concerted, consistent and enduring action by governments.
Recently though, our State Governments have discussed instigating a carbon trading scheme - the details are still to be decided - and that's an encouraging sign.
I guess for me what is more significant than success is the nature of each of the songs and of the words.
And given that there's been probably a ten-fold amount of information about terrorism through the media than there has about climate change; I think that's quite an interesting statistic.
Climate change is also clearly a matter of huge interest and concern for the scientific community.
Look, very clearly there are things that need to be done urgently in relation to climate change, and of those the most obvious is to have an enforceable and equitable arrangement delivering deep cuts in emissions into the middle of the century.
Once you start to look into the guts of climate change you find that just about every scientific institution in the world is conducting research on the issue.
Our career path has tended to be the most perverse and contrary approach to the entertainment industry imaginable, while at the same time doing the kinds of things that you have to do, the videos, the photos and all that sort of stuff.