For environmental activists, any suggestion prophecies of planetary peril should be considered carefully is heresy. Climate change doubters are apologists for Western consumer lifestyles that produce the greenhouse gases responsible for global warming, they argue. But there is more sociology than science in such suggestions. For people who believe it is wrong for all Australians to have electricity when many Africans do not, global warming is a statement of faith. Many scientists are equally upset, saying the evidence is in and people who question the cause and effect of global warming should defer to those who have done the work. The problem is, as Professor Plimer demonstrates, expert irritation does not disguise the fact that the science is anything but settled. Atmospheric scientists dominate the global warming debate, he says, and their focus on carbon dioxide emissions excludes other disciplines and obscures other issues that may describe what is going on and why. Read more.