Read the whole article, but the real conclusion is this: Judith Curry, a co-author of these four papers, has now gone on record repudiating not the papers themselves, but the press associated with the papers. This will be a black eye for the Berkeley Earth Project, and in all probability for Prof Muller. Worst of all, it means that the integrity and validity of what should have been an important confirmatory study is now questionable.If it's settled, why do these people repeatedly have to resort to lying and subterfuge to make their point?
Instead of a truly useful study, Muller’s use of the press has simply added to the climate food fight.
Update: Just learned about this site.
Update #2, 10/31/11: More on Muller's paper:
Very few if any skeptics assert that the earth is still in the Little Ice Age. While the Little Ice Age raged from approximately 1300 to 1900 AD, it is pretty well accepted that the Little Ice Age did indeed end by approximately 1900 AD. The mere fact that the Little Ice Age ended a little over 100 years ago, and that temperatures have warmed during the course of recovering from the Little Ice Age, tells us absolutely nothing about the remaining components necessary to support an assertion that humans are creating a global warming crisis.I continue to think we're in a cyclical warming pattern.
Muller himself admits, “How much of the warming is due to humans and what will be the likely effects? We made no independent assessment of that.”
So we have a paper merely claiming that two out of three global temperature stations report the Little Ice Age is over...
Even prominent global warming advocate Eric Steig admits, “Anybody expecting earthshaking news from Berkeley, now that the Berkeley Earth Surface Temperature group being led by Richard Muller has released its results, had to be content with a barely perceptible quiver. As far as the basic science goes, the results could not have been less surprising if the press release had said ‘Man Finds Sun Rises At Dawn.’”