The International Panel set up to examine the work of the Climate Research Unit has cleared the CRU of all charges of misconduct:
We saw no evidence of any deliberate scientific malpractice in any of the work
of the Climatic Research Unit and had it been there we believe that it is likely
that we would have detected it.
They also point the finger at who is to blame for the failure to release all the weather station data. The UK government:
It was not the immediate concern of the Panel, but we observed that there were
important and unresolved questions that related to the availability of
environmental data sets. It was pointed out that since UK government adopted
a policy that resulted in charging for access to data sets collected by
government agencies, other countries have followed suit impeding the flow of
processed and raw data to and between researchers. This is unfortunate and
seems inconsistent with policies of open access to data promoted elsewhere in
See also: Eli Rabett.