‘The two MMs have been after the CRU station data for years. If they ever hear there is a Freedom of Information Act now in the U.K., I think I’ll delete the file rather than send to anyone. . . . We also have a data protection act, which I will hide behind.”

So apparently wrote Phil Jones, director of the University of East Anglia’s Climate Research Unit (CRU) and one of the world’s leading climate scientists, in a 2005 email to “Mike.”

Judging by the email thread, this refers to Michael Mann, director of the Pennsylvania State University’s Earth System Science Center. We found this nugget among the more than 3,000 emails and documents released last week after CRU’s servers were hacked and messages among some of the world’s most influential climatologists were published on the Internet.

The “two MMs” are almost certainly Stephen McIntyre and Ross McKitrick, two Canadians who have devoted years to seeking the raw data and codes used in climate graphs and models, then fact-checking the published conclusions—a painstaking task that strikes us as a public and scientific service. Mr. Jones did not return requests for comment and the university said it could not confirm that all the emails were authentic, though it acknowledged its servers were hacked.

Yet even a partial review of the emails is highly illuminating. In them, scientists appear to urge each other to present a “unified” view on the theory of man-made climate change while discussing the importance of the “common cause”; to advise each other on how to smooth over data so as not to compromise the favored hypothesis; to discuss ways to keep opposing views out of leading journals; and to give tips on how to “hide the decline” of temperature in certain inconvenient data.

Some of those mentioned in the emails have responded to our requests for comment by saying they must first chat with their lawyers. Others have offered legal threats and personal invective. Still others have said nothing at all. Those who have responded have insisted that the emails reveal nothing more than trivial data discrepancies and procedural debates.

Yet all of these nonresponses manage to underscore what may be the most revealing truth: That these scientists feel the public doesn’t have a right to know the basis for their climate-change predictions, even as their governments prepare staggeringly expensive legislation in response to them.

For more, read here.