The issue for the Greens is sustainability — of the human race and of ecosystems, of course, but also of themselves.
Co-leader Russel Norman’s answer is to get bigger. His “realistic target” is to get over 10 per cent in the next election. To make the point he wore a bland suit, with pale green tie, to deliver his formal speech at the conference on Sunday. That was so what he wore would not obscure his message.