You've got a fertile imagination. Conspiracy theorist, is it? These measures will cost so much in the years ahead that, ultimately, the government of the day will be faced with a choice of social security, free health and education or saving the planet from a natural trace atmospheric gas that's essential to all life on earth. One Nation does not worship the sky god of warming. We know the climate varies naturally and inherently and that nothing in the current data suggests the variation is outside of normal cycles.

Honourable senators interjecting—