What moves those of genius, what inspires their work is not new ideas, but their obsession with the idea that what has already been said is still not enough.
You reach a point in your career when the weeks turn into a month or more of the phone not ringing.
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.