The report of the Intergovernmental Panel on Climate Change makes grim reading. The planet is heating up. Since most forms of mechanized travel and electricity generation presently involve the release of CO2 into the atmosphere, the outlook ... is bleak: sea levels will rise as ice sheets melt, supplies of fresh water will dry up as temperatures soar, and large areas will become uninhabitable. This is one, among several, reasons why governments ... should want to encourage energy efficiency. What it should not be is yet another excuse to stealthily levy higher taxes. Yet that is what is happening. The Government has hinted at further taxes, and further regulations to penalize the public. Britain must play its part in reducing global warming. But the phenomenon is well-named: it is a global, not a local, problem. Unless the Americans, Chinese and Indians curb their own CO2 emissions, our own efforts will be doomed to costly and pathetic failure.