A row over climate change e-mails grows louder

AS POLITICIANS, policy wonks, businessmen, NGO types, hacks and hangers-on converge in Copenhagen for the forthcoming climate conference, a row over a set of e-mails from a previously obscure part of Britain’s University of East Anglia is becoming ever louder, if no more illuminating. Two weeks ago e-mails and other documents that had been leaked or hacked from the university’s Climatic Research Unit (CRU) were sent to various websites. Those with a longstanding opposition to action on climate change, from bloggers to members of the American Senate to the Saudi government, are touting the e-mails as a resource with which to derail the Copenhagen talks.

CRU’s researchers use various techniques to reconstruct the temperatures of times past. Some of the reconstructions they have been party to have long been the subject of technical criticism, sometimes in peer-reviewed literature, more frequently on blogs, notably Climate Audit, an award-winning blog by Stephen McIntyre. The critics have made many attempts to get CRU to distribute the raw data and computer codes which its scientists work on. The e-mails and other documents read as though the researchers were obstructive in dealing with some of these requests, that some of the data they used were in poor shape, that they may have indulged in spin when presenting some results and that they really did not care for their critics. …