Free Markets, Free People


Climategate 2.0

As of today, FOIA.org released another 7zip file—which can be obtained here—containing 5000 unencypted, and an additional 250,000 encrypted, climate change emails from all the usual suspects we remember from Climategate. FOIA.org says they don’t plan on releasing the encryption keys for the remaining emails yet, but the 5,000 unencrypted emails are…interesting.

More background is available from Pajamas Media and the links they provide. But the good stuff is in the emails themselves.

One quick take-away: Michael Mann’s temperature results may be…questionable.

<4241> Wilson:

I thought I’d play around with some randomly generated time-series and see if I could ‘reconstruct’ northern hemisphere temperatures.
[...] The reconstructions clearly show a ‘hockey-stick’ trend. I guess this is precisely the phenomenon that Macintyre has been going on about.

That would seem to be a pretty big vulnerability in the "hockey stick".

And the IPCC process seems…really questionable.

<1939> Thorne/MetO:

Observations do not show rising temperatures throughout the tropical troposphere unless you accept one single study and approach and discount a wealth of others. This is just downright dangerous. We need to communicate the uncertainty and be honest. Phil, hopefully we can find time to discuss these further if necessary [...]

<3066> Thorne:

I also think the science is being manipulated to put a political spin on it which for all our sakes might not be too clever in the long run.

<4755> Overpeck:

The trick may be to decide on the main message and use that to guid[e] what’s included and what is left out.

<1104> Wanner/NCCR:

In my [IPCC-TAR] review [...] I crit[i]cized [...] the Mann hockey[s]tick [...] My review was classified “unsignificant” even I inquired several times. Now the internationally well known newspaper SPIEGEL got the information about these early statements because I expressed my opinion in several talks, mainly in Germany, in 2002 and 2003. I just refused to give an exclusive interview to SPIEGEL because I will not cause damage for climate science.

<0414> Coe:

Hence the AR4 Section 2.7.1.1.2 dismissal of the ACRIM composite to be instrumental rather than solar in origin is a bit controversial. Similarly IPCC in their discussion on solar RF since the Maunder Minimum are very dependent on the paper by Wang et al (which I have been unable to access) in the decision to reduce the solar RF significantly despite the many papers to the contrary in the ISSI workshop. All this leaves the IPCC almost entirely dependent on CO2 for the explanation of current global temperatures as in Fig 2.23. since methane CFCs and aerosols are not increasing.

<2009> Briffa:

I find myself in the strange position of being very skeptical of the quality of all present reconstructions, yet sounding like a pro greenhouse zealot here!

But, remember, the science is settled!

<0310> Warren:

The results for 400 ppm stabilization look odd in many cases [...] As it stands we’ll have to delete the results from the paper if it is to be published.

<1682> Wils:

[2007] What if climate change appears to be just mainly a multidecadal natural fluctuation? They’ll kill us probably [...]

<2267> Wilson:

Although I agree that GHGs are important in the 19th/20th century (especially since the 1970s), if the weighting of solar forcing was stronger in the models, surely this would diminish the significance of GHGs.
[...] it seems to me that by weighting the solar irradiance more strongly in the models, then much of the 19th to mid 20th century warming can be explained from the sun alone.

<5315> Jenkins/MetO:

would you agree that there is no convincing evidence for kilimanjaro glacier melt being due to recent warming (let alone man-made warming)?

<2292> Jones:

[tropical glaciers] There is a small problem though with their retreat. They have retreated a lot in the last 20 years yet the MSU2LT data would suggest that temperatures haven’t increased at these levels.

<1788> Jones:

There shouldn’t be someone else at UEA with different views [from "recent extreme weather is due to global warming"] – at least not a climatologist.

<4693> Crowley:

I am not convinced that the “truth” is always worth reaching if it is at the cost of damaged personal relationships

<2733> Crowley:

Phil, thanks for your thoughts – guarantee there will be no dirty laundry in the open.

<2095> Steig:

He’s skeptical that the warming is as great as we show in East Antarctica — he thinks the “right” answer is more like our detrended results in the supplementary text. I cannot argue he is wrong.

<4470> Norwegian Meteorological Institute:

In Norway and Spitsbergen, it is possible to explain most of the warming after the 1960s by changes in the atmospheric circulation. The warming prior to 1940 cannot be explained in this way.

<4944> Haimberger:

It is interesting to see the lower tropospheric warming minimum in the tropics in all three plots, which I cannot explain. I believe it is spurious but it is remarkably robust against my adjustment efforts.

You know what else is remarkably robust against adjustment efforts? Reality.

~
Dale Franks
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