That assessment doesn’t come from climate-change skeptics, but from NASA itself. A FOIA request from the Competitive Enterprise Institute revealed the internal e-mail evaluation, and also another problem with the East Anglia CRU data. It turns out that the databases maintained by NASA, UEA CRU, and the NOAA NCDC have self-endorsing mechanisms that mean that problems in one or more mean problems for all:
NASA was able to put a man on the moon, but the space agency can’t tell you what the temperature was when it did. By its own admission, NASA’s temperature records are in even worse shape than the besmirched Climate-gate data.
Why is this a problem for all of the anthropogenic global-warming (AGW) data sets? NASA chief James Hansen, now an Obama administration official, explained in the same e-mail thread: