President-elect Barack Obama proposes economic suicide for US

If the holder of the most powerful office in the world proposed a policy guaranteed to inflict untold damage on his own country and many others, on the basis of claims so demonstrably fallacious that they amount to a string of self-deluding lies, we might well be concerned. The relevance of this is not to President Bush, as some might imagine, but to a recent policy statement by President-elect Obama.

Tomorrow, delegates from 190 countries will meet in Poznan, Poland, to pave the way for next year's UN conference in Copenhagen at which the world will agree a successor to the Kyoto Protocol on climate change. They will see a video of Mr Obama, in only his second major policy commitment, pledging that America is now about to play the leading role in the fight to "save the planet" from global warming.

Mr Obama begins by saying that "the science is beyond dispute and the facts are clear". "Sea levels," he claims, "are rising, coastlines are shrinking, we've seen record drought, spreading famine and storms that are growing stronger with each passing hurricane season."

Far from the science being "beyond dispute", we can only deduce from this that Mr Obama has believed all he was told by Al Gore's wondrously batty film An Inconvenient Truth without bothering to check the facts. Each of these four statements is so wildly at odds with the truth that on this score alone we should be seriously worried.

It is true that average sea levels are modestly rising, but no faster than they have been doing for three centuries. Gore's film may predict a rise this century of 20 feet, but even the UN's International Panel on Climate Change only predicts a rise of between four and 17 inches. The main focus of alarm here has been the fate of low-lying coral islands such as the Maldives and Tuvalu.

Around each of these tiny countries, according to the international Commission on Sea Level Changes and other studies, sea levels in recent decades have actually fallen. The Indian Ocean was higher between 1900 and 1970 than it has been since. Satellite measurements show that since 1993 the sea level around Tuvalu has gone down by four inches.

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