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Climategate en de consensuspolitie
Mike Hulme, aanhanger van de menselijke broeikashypothese, laat zich zeer genuanceerd uit over dialoog met klimaatsceptici.
Onder de titel, 'After Climategate never the same', publiceerde Mike Hulme, voorheen werkzaam bij de 'Climatic Research Unit' (CRU) van de Universiteit van East Anglia, van waaruit de Climategate e-mails in de openbaarheid kwamen, een doorwrochte analyse op internet. Het is een hoofdstuk uit zijn komende boek over de nasleep van het Climategateschandaal.
Zoals mijn trouwe lezers weten, verkeren vele fervente aanhangers van de menselijke broeikashypothese (AGW = 'Anthropogenic Global Warming') nog steeds in de ontkenningsfase, Immers, verschillende officiële onderzoeken zouden volgens hen hebben aangetoond dat de hoofdrolspelers van Climategate niets onoorbaars zouden hebben gedaan. Andere AGWers erkennen dat er in deze zaak wel fouten zijn gemaakt, maar tillen daar toch niet zwaar aan. Klimaatsceptici wijzen van hun kant op de letterlijke teksten van de e-mails, die toch geen twijfel laten bestaan over het op zijn minst wetenschappelijk onethisch handelen van de hoofdrolspelers in het Climategateschandaal. Hoewel Mike Hulme een voormalig CRUmedewerker is, behoort hij toch niet tot de Climategate apologeten.
Op haar blog, Climate Etc., schenkt de Amerikaanse klimatologe Judith Curry aandacht aan de analyse van Mike Hulme. Zij pikt daaruit verschillende citaten.
Mike Hulme has posted an insightful essay entitled After Climategate . . . Never the Same, which is a chapter from his forthcoming book Exploring climate change through science and society: an anthology of Mike Hulmes essays, interviews and speeches.
Citaten:
One of the consequences of a public science controversy is to unsettle previously held convictions and certainties, beliefs which had been assumed but perhaps unexamined for some time. Assumed truths and certainties were being questioned. The UK environmentalist columnist George Monbiot was an example of a high profile public commentator whose beliefs were clearly challenged by the emails and subsequent allegations. No one has been as badly let down by the revelations in these emails as those of us who have championed the science, Monbiot wrote the week following: I have seldom felt so alone.
To claim, I am a scientist, trust me is no longer sufficient, even if it ever once was. For scientific knowledge to earn credibility as public knowledge scientists have to work as hard outside the laboratory as they do inside, through repeated demonstrations of their integrity, accessibility and trustworthiness. Only then will they be judged as reliable witnesses and their knowledge deemed credible. This is not easy to do, as the events surrounding Climategate showed.
One of the interesting responses from the academic community since Climategate has been a new interest in studying and understanding the various manifestations of climate change scepticism. The populist notion that all climate sceptics are either in the pay of oil barons or are right-wing ideologues, as is suggested for example by studies such as Oreskes and Conway (2011), cannot be sustained.
There are many different reasons why citizens may be sceptical of aspects of climate science, certainly why they may be sceptical of knowledge claims which get exaggerated by media and lobbyists. This may be because of innate suspicion of big science (which climate science has become, with powerful patrons in government and UN and international institutions) or because of a commitment to forms of data and knowledge libertarianism, as in the Wikileaks movement. Some of the individuals who pursued CRU scientists for access to data in the months leading up to Climategate may be seen in this light; they had no connections with the oil industry or conservative think-tanks. Other expressions of scepticism may result from issue fatigue, cynicism about a media who seek to sensationalise or the experience of cognitive dissonance.
But beyond these reasons for climate change scepticism, in the years following Climategate it has become more important to distinguish between at least four different aspects of the conventional climate change narrative where scepticism may emerge. Trend scepticism would be disbelieving of evidence that suggested a change in climate was occurring, whereas attribution scepticism would be doubtful that such trends were predominantly caused by human agency. Impact scepticism would question whether the melodrama of the discourse of future climate catastrophe is credible and policy scepticism would query dominant climate change policy frameworks and instruments. When this more nuanced analysis of climate change scepticism is combined with a valorisation of the scientific norm of scepticism and the democratic virtue of scrutinising and interrogating vested interests, there becomes room for more respectful arguments about what climate change signifies and what responses may be appropriate. My contention is that the events surrounding Climategate in late 2009 have opened up new spaces for such agonistic democratic virtues to be exercised.
Commentaar van Judith Curry:
Mike Hulme describes the lessons that we should have learned from Climategate, and it seems that many in the UK have learned these lessons. I am not at all sure that the IPCC has learned many (or even any) of these lessons, and in the U.S. I dont see much evidence of scientists having learned anything at all. Hulme correctly describes a range of reasons for being skeptical about climate change, and identifies four different aspects around which skepticism can emerge. In the U.S. anyway, the Oreskes merchant of doubt meme seems to remain predominant. Intolerance for skepticism and overconfidence remains the order of the as evidenced by the recent AGU Statement on Climate Change.
The U.S. media seems to be rather ignoring the climate change issue, with the most significant articles coming from the UK. Finally, is it possible for a Tamsin Edwards to emerge in the U.S.? I suspect not; even senior scientists are intimidated by the consensus police and dont want to be subjected to what I have had to put up with (a number of scientists have told me this). [Noot HL: Grappig dat uitgerekend Judith Curry dit voorbeeld kiest. Zij is kennelijk even vergeten dat zij zelf de Amerikaanse Tamsin Edwards avant la lettre is en daarmee wereldberoemd is geworden.]
Heres hoping that progress can continue to be made, and eventually that things will never be the same.
Lees verder hier.
Aldus Judith Curry.
Mijn indruk is dat het met de klimaatdiscussie is als met de aarde: 'Eppur si move.'
Voor mijn eerdere DDS-bijdragen, zie hier.
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