At a time when the government is running a significant surplus and the cost of living remains high, many will ask why we need to continue to increase carbon tax. Surely we have plenty of money and we don’t need to add to the costs of running a car or heating a home or business when costs are already through the roof.  But carbon tax is a different kind of tax. It’s a tax on something that causes harm and it is designed to change behaviour. Like a tax on cigarettes, it’s a tax on something that harms our health…