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What next, a Committee on Un-Scientific Activities?
A group of scientists and science communicators has written an open letter to WAG, a TV production company, insisting that it make changes to its film The Great Global Warming Swindle before releasing it on DVD.

The 38 signatories include Bob Ward, the former spokesman for the prestigious Royal Society in London, as well as former heads of Britain’s academy of sciences and the weather office. They argue that Martin Durkin’s film, which claims that global warming is not man-made and which caused a storm of controversy when it was shown on Channel 4 in Britain in March, contains a ‘long catalogue of fundamental and profound mistakes’, and these ‘major misrepresentations’ should be removed before the film hits the DVD shelves later this year. ‘Free speech does not extend to misleading the public by making factually inaccurate statements’, the letter-writers claim (1).

What next, a House Committee on Un-Scientific Activities, where this self-selected group of scientists and communicators could officially sit in judgement on anyone who says the ‘wrong thing’ about global warming? Last year, when he was working at the Royal Society, Bob Ward wrote a letter to ExxonMobil demanding in hectoring fashion that the oil giant cut off its funding to groups that have ‘misrepresented the science of climate change by outright denial of the evidence’; now he says films that go against the ‘truth’ of global warming should be chopped and changed before release (2). Perhaps any new House Committee on Un-Scientific Activities could begin by forcing those who appear in its hallowed halls to swear ‘I am not, and never have been, funded by oil companies’, before instructing them on what is the correct thing to say in public about climate change. All others shall be silenced.

These scientists ought to be ashamed of themselves. They are behaving in a fashion that does not befit intellectual scientific debate. When they claim that they are not being censorious, but rather are standing up for facts and ‘for the public interest’, they protest way too much. From Torquemada to McCarthy, virtually every censorious group in society has claimed merely to be protecting what is true or right or correct, and thus saving the public from allegedly dangerous ideas. Torquemada wanted to save humanity from religious heresy; McCarthy said he was protecting Americans from reds under the bed. Now some want to shield our eyes from allegedly oil-funded ‘climate change deniers’ lest they warp our minds and make us behave in a carbon-irresponsible fashion.

Even worse, the scientists’ demand that information be ‘corrected’ from on high so that it does not sow confusion and controversy amongst the public speaks to a profoundly anti-intellectual outlook. They seem not to appreciate how important controversy is. Controversy is not, as they seem to believe, a bad idea; nor is it, as others argue, something that’s simply fun or sexy, a ‘good idea’ in a democratic society. Rather, controversy is crucial to the development of human thought – especially in the realm of science. ...

...Indeed, it was striking that around the same time that the 38 scientists wrote to WAG to complain about The Great Global Warming Swindle, the British government announced plans to send a copy of Al Gore’s film An Inconvenient Truth to every secondary school in the country. Some very serious scientists have raised questions about the scientific accuracy of Gore’s movie. Don J Easterbrook, emeritus professor of geology at Western Washington University, said: ‘ I don’t want to pick on Al Gore… But there are a lot of inaccuracies in the statements we are seeing, and we have to temper that with real data.’ (4) Yet Gore’s allegedly inaccurate claims will be used to ‘stimulate debate about climate change’ amongst schoolchildren (in the words of UK education secretary Alan Johnson) while Durkin’s allegedly inaccurate claims are labelled unfit for public consumption.

This is really about the moral message of the films rather than their scientific underpinnings. Because Gore’s movie has the ‘correct’ moral outlook (global warming is manmade, and we must all take individual responsibility for changing our behaviour and lowering our horizons), it is sanctioned by the authorities and even used to reshape children’s understanding of humanity and our relationship with the planet. Because Durkin’s movie has the ‘incorrect’ moral outlook (global warming is not manmade, and demands that we limit carbon emissions are proving disastrous for the developing world), it is vilified.

Some are in effect using claims of scientific authority to copperfasten what is in fact a deeply moralistic campaign dictating what people should expect from life today. The consequences of using science in this way are as ominous as they are far-reaching. It is bad for political debate because when certain positions are said to be scientifically verified then they are also considered to be beyond interrogation. It is bad for science, too, because the use of scientific data to confer authority on explicitly political positions will surely pollute the morally neutral aim of science to discover new things, while also potentially firing up public cynicism with science. ...