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Comments 53451 to 53500:

  1. PBS False Balance Hour - What's Up With That?
    Link in citizenschallenge comment @174 is broken (four "/" characters after http: instead of two).
  2. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    Robert, why do you say that about Kinnard? And what will be the difference between the methodologies? Do you have a link to a pre-print for Kaufmann?
  3. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    [7] I don't think that Kinnard et al is an accurate representation of the variability in sea ice over the past 1400 years. In fact I think you will all be surprised with the results that the next Kaufmann et al paper will show - ie much greater Arctic climate variability.
  4. New research from last week 38/2012
    Carbon500 & Muzz, no the term acidification is entirely accurate. You just don't seem to understand what it means. Your argument is the same as claiming that one cannot say that they are 'moving North' while in the Southern hemisphere. The current hemisphere (or pH balance) is irrelevant to the the direction of travel (or pH change). If the pH is decreasing then acidification is going on. Claiming otherwise is an attempt to redefine the way the term has always been used. As to ocean acidification being based solely on estimated uptake of anthropogenic carbon... equally false. Direct measurements show the pH change. You really ought to read the 'OA not OK' article DSL linked.
    Moderator Response: [DB] Ocean acidification is now officially Off-topic on this thread.
  5. New research from last week 38/2012
    Muzz: (-snip-).
    Moderator Response: [DB] Ocean acidification, the accepted term by oceanographers for this subject, is off-topic for this thread. See the thread linked by DSL above for those wishing to pursue this further.
  6. Solar cycles cause global warming
    Falkenherz wrote: "But, their [BEST's] statement on solar radiation seems not to be backed up by their data." It is for their temperature data and any solar radiation data I've ever seen other than the Soon & Briggs values of unknown provenance. As stated on the page I linked to, BEST ran analyses of their temperature data results against human carbon emissions, volcanic eruptions, solar variations, et cetera and found various correlations (e.g. volcanic eruptions corresponded to brief cooling spikes in a trend that otherwise matched human CO2 emissions). Offhand I'm not sure what TSI data they used, but... take your pick. There are plenty of TSI studies which show that it has declined slightly over the past several decades. Unless Soon & Briggs specify where they got their radically different 'data' there really isn't much to 'debate' here.
  7. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    That graph constructed by Ramez Naam doesn't show a hockey stick so much as it shows Arctic sea ice has fallen off a cliff.
  8. New research from last week 38/2012
    Muzz, see the excellent SkS series on ocean acidification written by working ocean scientists: OA not OK.
  9. Climate time lag
    Let me just pipe in, this article and the discussion during the last pages is very interesting for me to read, because it nicely summarizes what was buggering me the last weeks during my own personal quest for knowledge (TSI, lag, "heat storage", CO2 levels, PETM, evolution, etc.). I think some findings will always be open to interpretation, but the important thing is that all findings are on the table. Please continue to bring on your findings and your personal interpretation of it!
  10. New research from last week 38/2012
    Is the ocean becoming less basic or more acidic? I would assume if the ph of the ocean is greater than 7 then it is not acidic at all
  11. Solar cycles cause global warming
    CBDunkerson, thanks for the explanation and the link, this clarifies for me the issue with the WT (and, I finally know what "BEST" stands for...). But, their statement on solar radiation seems not to be backed up by their data. I am just starting reading about TSI, so I am very careful to accept figures and conclusions just as a given, yet. Lanfear, the figure 14 is wrong to use I believe, because it is just about faculae. Figure 15 presents three TSI curves from different studies, ranging from an increase between 1 and 2,5 W/m2. The study itself seems to come to a (eyeballed) result of 1 W/m2. I don't know if the 2,5W/m2 can be really called as outdated. As to the physical mechanism, I agree. But maybe the way of calculation of global temperature leaves room for some kind of heat storage (ice-melting, oceans, air streams, etc.) which is not captured by available data. I am not so sure we can confidently say "there is no physical mechanism". Tom Dayton, thanks for the link, this comes very close to what I was thinking about. But I don't get two things there: First, the TSI increase is said to be only "between 0.17 W/m2 (Wang 2005) to 0.23 W/m2 (Krivova 2007) since the Maunder Minimum". Wang 2005 is the same essay I quoted above, where I found this figure 15, where you can also eyeball 1 W/m2 to 2,5 W/m2 from different studies. Second, it is said that "Hansen 2005 estimates the climate lag time is between 25 to 50 years", and then "climate reached radiative equilibrium around the late 80's (give or take a decade)". If I count from 1960 onwards and assume 50 years, there could be a lagged warming until 2010 (which is exactly my point) and not the 80's. I probably will continue discussion over there, I still did not get all points. This whole TSI measuring and relating to glonal temperature is very complicated thing.
  12. It's not bad
    This could be the "acceptance of AGW" tipping point for people in the US: drought-related bacon shortage predicted.
  13. Solar cycles cause global warming
    Heh, now that I look more closely I note that while the 'shape' of the temperature line on the WT graph matches that on the BEST graph... the scales are different. WT shows all values ~2.5 C higher than the BEST graph. The X axis also appears to be off with various peaks being shown in slightly different years between the two graphs. This would seem to confirm skywatcher's earlier suggestion that the WT chart was produced by some method other than direct graphing of the data.
  14. PBS False Balance Hour - What's Up With That?
    Great post. I actually read the WTFUWT response first, so it was rather delightful to come here and read a nice balanced explanation of what Watts was so upset about.
  15. Solar cycles cause global warming
    Falkenherz wrote: "1. The graph in the Washington Times (Source: "University of California-Berkeley Earth-Surface Temperature Project" -> so it IS based on scientific work?)" Yes, that label would mean that the graph was part of a scientific study... if the label itself weren't fiction. The Berkeley Earth Surface Temperature (BEST) project concluded that past temperature studies were accurate (in contradiction of their initial assumptions) and that the observed warming was almost entirely due to humans. Their findings on solar influence can be summed up with the statement, "Solar variation does not seem to impact the temperature trend." So the question becomes, how did Soon and Briggs get a graph (which appears nowhere in the BEST studies) showing a 'strong correlation' between temperatures and solar variation from a study that concluded there was no correlation between temperatures and solar variation? The likely answer is that they took temperature data from BEST, TSI data from some other source, put them together on a graph, and falsely labelled the result as coming from the BEST study. The 'US daytime high temperature' values shown on the WT graph appear to match up with the 10 year moving average of such on this page from BEST. So far as I know the source of their TSI 'data' remains a mystery.
  16. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    DB, I had always assumed that's how he did it. I recall a study about goats disappearing near the WeatherBell compound . . .
  17. Solar cycles cause global warming
    Falkenherz, when TSI started increasing way back when, the Earth heated and therefore started radiating more on its way to thermal equilibrium between the new, higher level of energy coming in, and the energy going out. It could not reach equilibrium, because the incoming radiation (from TSI) kept increasing. When TSI plateaued around 1960, the Earth still was working toward equilibrium by continuing to increase its outgoing radiation. But because the incoming radiation now was constant, the Earth should have crept closer to equilibrium. That closing of the energy imbalance between energy coming in and energy going out should have been reflected in the in-out gap decreasing. Instead, the in-out gap has continued to increase despite the constancy (or slight decline) of the incoming radiation. So there must be some factor reducing the energy going out. What could that be, do you suppose? See John's post on climate lag.
  18. Record Arctic Sea-ice minimum 2012 declared - it's the Silly Season!
    Panzerboy #28: There are no "graphing tricks" involved... this post pulls together graphs from multiple different sources covering different time frames and even different units of measurement (square miles vs square kilometers). Thus, implying that the 'failure' of these different sources to all use the same starting point for the Y axis is some kind of deception makes no sense. It is standard practice to produce graphs scaled to the range of values observed or likely to be observed. When the NSIDC graphs were first plotted a few decades ago you could as 'easily' have argued that the Y-axis should go up to 20 million square miles (a value not seen for centuries) as down to 0. Now that the ice is in full out collapse and zero is becoming a possibility it is likely that the NSIDC will have to reframe the graph in the upcoming years... but again that is just following the need to show the full range of observed values without massive amounts of white-space above or below the observed range. Indeed, scaling a graph well outside the range of observed values often constitutes a 'trick' because it reduces the perceived degree of change. On a scale going up to 100 million square miles the melt of the past few decades would look like a nearly flat line. Hence the standard practice of scaling graphs to fit the observed values rather than a large range around them.
  19. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    RE #2 No Problem :) RE#3 I think you mean he is referring to his 2011 Prediction not his 2013. The video the Eli rabbet has posted refers to Bastardi's 2011 prediction (and indeed your screenshots show this) As far as I can tell, Bastardi hasn't put out a 2013 prediction although you can find one tweet about it here to which he tried to predict the melt was over this year on Aug 26
  20. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    Joe Bastardi said: "...I think that's where we're gonna be next year. We're gonna recover dramatically here, with the cold that is coming over the next 9 to 12 months. I think next year you're gonna see the latest start to the sea ice melt that we've seen in a long time...." This is the same guy who can't read a map.
  21. New research from last week 38/2012
    Sporehopper: "Is there any research that has recorded any effects associated with human activity and development. Specifically: North Central region of Florida. The massive growth of the Orlando, Fl area..." There's lot of research on this subject area. This one is studying Orlando: The Urban Heat Island and Local Temperature Variations in Orlando, Florida - Yow & Carbone (2006) This paper came up in same search: The Disappearance of Dense Fog in Los Angeles: Another Urban Impact? - LaDochy (2005) Another on rainfall: Effect of urbanization on the diurnal rainfall pattern in Houston - Burian & Shepherd (2005) There are lots and lots of papers on the general topic of weather impacts of urbanization, so you might want to try to search more specific papers yourself for example in Google Scholar.
  22. Record Arctic Sea-ice minimum 2012 declared - it's the Silly Season!
    Dave123 @32 The "It's soot" myth has already been debunked here. mikeh1@7 has shown, that Matt Ridley from WSJ had fallen victim of that myth. Together with your Hansen 2003 meme, it sounded funny. Out of suriosity, I've read Matt's article (normally I don't read WSJ because it's waste of time) to check the source of his opinion, and here it is, his entire attribution:
    Some scientists have noticed that the decline in Arctic sea ice correlates better with the rapid growth of coal consumption in China than it does with global temperature
    A little disapointment here that Matt did not cite verifiable source but rather "Some scientists" limbo. But no surprise here: deniers like him often practice such reporting. So we cannot conclude that Matt Ridley lacks basic skills to understand a simple 5-sentence abstract. But said conclusion can be declared probable. In fact "Some scientists" can also mean Hansen 2003.
  23. Solar cycles cause global warming
    Falkenherz@43 "TSI seemed to go upward already a long time, roughly since 1700, by a total of roughly 2,5 W/m2 since then." Hmmm... where did you get that figure? The study you refer to states: "The cycle-averaged increase in TSI since the Maunder minimum is estimated to be ~1 W/m2." This is also supported by fig 14 (using the eye-chronometer). Regarding your point 2: There still remains the question of where that heat from the slightly positive TSI-trend is hidden? I think the only possible answer here would be the deep sea (>2000m). But then again, it seems to be working on a too slow pace for this case, if one is to believe the validity this claim: "Scientists estimate that it takes one section of the belt 1,000 years to complete one full circuit of the globe." In that case it would mean that we would be seeing the heat energy coming up from the MWA and not the latest TSI positive trend. As Dikran said in 44 (and repeated later, your're writing too fast :-), you need to come up with a more physical explanation, otherwise this is only (IMHO) a exercise in hiding the god.
  24. Dikran Marsupial at 20:04 PM on 25 September 2012
    Solar cycles cause global warming
    @Falkenherz As I said in the second paragraph of my previous post, there needs to be a plausible physical mechanism to explain why there should be a lag. Essentially the laws of physics are the reason why temperature doesn't lag 100 years behind TSI. Correlation is not cuasation, and a good way of avoiding falling into the trap of making an incorrect association is to require a plausible physical mechanism. Given the nature of noisy time series, there will often be an apparent corellation in time series if you adjust enough parameters of the anlysis (e.g. start/end points, lags etc.) purely by random chance. As the old statistical maxim goes "if you torture the data enough, eventually they will always confess".
  25. Solar cycles cause global warming
    Marsupial, my question Nr. 2 was not linked to the graph in the Washington Times. My question Nr. 2 was rather assuming that that graph was wrong and TSI acutally did not increase since 1960, as this seems to be in line with the theory which this website believes to be correct. So, what I meant with a lag is that the increase of TSI until 1960 probably did not directly relate to temperature, but only shows its effect after 1960. The rise of temperature between 1900 and 1960 would then have a cause in rising TSI from before 1900. Long term graphs always seem to show a long term raise of TSI. So basically, the question is, why can we exclude a TSI induced raise of global temperature which lags behind, say, roughly 50 or even 100 years?
  26. Huber and Knutti Quantify Man-Made Global Warming
    As the basis, where all their calculations start, Huber and Knutti (2011) take "the Bern2.5D climate model of intermediate complexity". I read this as: We make evidence from a model (and assume that the model matches observations from the past). On figure 1a, the line for solar radiation is taken from "Radiative forcings from historical reconstructions and the SRES A2 scenario for different forcing agents". It is almost near zero. My point is; if you start with such an assumption, it is not very surprising to come to the result that GHG must be the dominant contributor. So, for me, it seems like this article does a kind of a no-conclusion and just elaborates on said assumption. How come that TSI is assumed so low? I just wanted to point this out here, because I am coming from the "solar-cycles" article, and also from "it's the sun", and I was pointed towards this article here. I frankly do not understand how and why TSI is estimated with such a low increase in radiative forcing.
  27. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    I seem to remember that this Burt Rutan (of aerospace fame)fellow sometime this spring claimed that the Arctic sea ice was recovering. Appears to me that his claim was inaccurate.
  28. Dikran Marsupial at 19:16 PM on 25 September 2012
    Solar cycles cause global warming
    Falkenherz With regard to lags, if you look at the chart from the Washington Times article, clearly TSI appears to be lagging behind USA temperatures, not the other way round (until 1960 ish). Temps start rising in about 1860, but TSI falls until about 1890, temps fall from 1940, but TSI falls from about 1950. This would suggest changes in USA temperatures cause changes in TSI prior to 1960. However, the real point regarding lags is that there needs to be a reasonable physical explanation to explain why there should be a lag, rather than a mere statistical phenomenon. It is hard to see a physical mechanism that would explain why TSI changes have a lagged, rather than an instantaneous effect.
  29. Solar cycles cause global warming
    Lanfear, if this is true, then my question is answered. But how do we know that global temperature and TSI were coupled directly? If I see curves (like in figure 15 here, especially the one from "Lean 2000" http://sun.stanford.edu/LWS_Dynamo_2009/61797.web.pdf), then there might as well be a lag, since TSI seemed to go upward already a long time, roughly since 1700, by a total of roughly 2,5 W/m2 since then.
  30. Solar cycles cause global warming
    To my question 3, I think I got it; from "it's the sun", nicely explained there, thanks. According to figure 8 over there, for the last 100-150 years, there is very roughly about 22% of solar contribution to global warming. Translating this into the kind of answer I was looking for in question 3, roughly about 0,6 Degrees of the 0,76 Degrees raisal of global temperature in the last centuries cannot be attributed to TSI and must be due to GHG. I hope this is roughly correct. Now I just need to understand what TSI data is correctly used and how they translate TSI into temperature... on to more articles to read! I anybody could still bring some light (or links) into questions 1 and 2, please.
  31. Solar cycles cause global warming
    Falkenherz@40 "Couldn't it be that global temperature is still rising because of the TSI forcings from before 1960?" I have a hard time understanding this point. The problem AFAIK is that up until this timepoint the TSI/temperature has been coupled directly without any delay. Now you propose that there is a delayed mechanism hidden somewhere that continues to heat up the atmosphere (and apparently upper 2000m of the sea). Furthermore the mechanism is at least as strong as the apparent TSI-effect was. So the question is: Why hasn't this mechanism revealed itself earlier and where was the heat hidden?
  32. Solar cycles cause global warming
    Dear co-commenters, my main question has not been answered, instead I received a lot of corrections on some of my (admittedly wrong) conclusions, and some nitpicking on words. But, on the basic questions, I am still unclear what to think. 1. The graph in the Washington Times (Source: "University of California-Berkeley Earth-Surface Temperature Project" -> so it IS based on scientific work?) shows a continuous upwards trend of TSI, as does also the graph "historical TSI reconstruction" on http://lasp.colorado.edu/sorce/data/tsi_data.htm. I am asking about the long-term observations on TSI, not only since 1960. There are people like Leif Svalgaard on WUWT who deny any TSI increase since 1800 (if I understood his ppt presentation which he linked there correctly). 2. If people say that TSI since 1960 is not raising anymore and that is why GHG have to be the dominant driver: Did people think about possible lags to TSI forcings in our climate system? Couldn't it be that global temperature is still rising because of the TSI forcings from before 1960? 3. If we nevertheless assume (or have evidence?) that the TSI is not high enough to further raise global temperature, how come that I always encounter the claim that there is a rise of +0.76°C since 1850, and "most" of it was caused by AGW? I hold my claim that this is a miscommunication, and I am asking of how much is exactly attributed to GHG after removing the TSI forcing. When I look for answers, I am suddenly confronted with decadal trends, which in fact does not answer my question. I read the one essay from Pasini et al. (2012) which is trying to answer this (link provided by DSL further up). But if I understand that essay correctly, their only evidence is a so called Granger causality. Looking this mathematical contruct up on wikipedia, I think this can hardly be treated as sound evidence, rather as an indication that there could be evidence.
  33. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    David, click the last link in this post. It covers Kinnard.
  34. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    I've never seen this data before. Ramez Naam has a "guest blog" posted on Scientific American's site. The post contains a chart Naam cooked up starting with data from the 2011 Kinnard et.al. study Reconstructed changes in Arctic sea ice over the past 1,450 years which combines historical and proxy data to provide an educated guess as to what the record was from around 600 AD to 2006. Naam has added data up to the present, to produce this: Although Naam says he had to ask Kinnard for the chart, and the Kinnard et.al. study is behind a paywall at Nature, the Supplementary Information in pdf form isn't. Page 10 in the supplement has what looks a lot like the data Kinnard gave Naam on a chart containing a lot of other data.
  35. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    Bastardi would do better by divining goat entrails.
  36. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    David - yes if you click the first link in the above post, you'll see a screenshot of that Bastardi prediction, and then how it compared to the observations (the latter is also shown in Figure 6 above).
  37. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    I missed the fact that this entertainment was issued in 2010. Sorry. I find it hard to take these clowns seriously. It would be funnier if he had done this a few days ago.
  38. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    Eli Rabett has a "Your Joe Bastardi Entertainment Moment" video clip up on his blog. Bastardi makes public his prediction for 2013. He draws this yellow line as his prediction while he talks: "...I think that's where we're gonna be next year. We're gonna recover dramatically here, with the cold that is coming over the next 9 to 12 months. I think next year you're gonna see the latest start to the sea ice melt that we've seen in a long time...." One might ask, why, Joe? "that is simply because of (hesitates)... you know... my studies show. And we'll see if I'm right". Then, he claims he predicted correctly what happened this year. First, he said ""I was right about this year. It did not get down below here": "If people want to say, and they keep finding some metric to make you think its lower than it actually is... And I'm the guy who said this is where its going to wind up" (Confidently and proudly draws this yellow line): You heard it from Joe. That's where it wound up this year. Then, he issues his prediction for the next 30 years. "...It's not going to get back to normal. That shouldn't happen for another twenty or thirty years. But we should be back up here next year. The higher you climb away from your low point the harder it is to get back, and I fully expect twenty, thirty, some of those years beyond, to be a little bit above normal...." (Draws the upper yellow squiggle line well above all other lines): This is just like war propaganda. (snip)
    Moderator Response: [RH] Inflammatory snipped.
  39. Record Arctic Sea-ice minimum 2012 declared - it's the Silly Season!
    And Watts comes through in spades for Prediction 3! Yep, it really doesn't matter, just like the 2007 minimum didn't matter.
  40. Increasing CO2 has little to no effect
    Coming from a geological background, I would also point out that climate theory is pretty successful at predicting the surface temperatures of other planets/moons given atmospheric concentration, TSI and albedo. Regard each planet as a lab experiment.
  41. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    Thanks yocta. I play a little fast and loose with the posting date/time, which is entered manually. We generally publish one post per day, and this one is intended as the post for the 26th, Aussie time.
  42. Lessons from Past Climate Predictions: Arctic Sea Ice Extent 2012 Update
    I've been waiting for this article for a while. Well done thanks SkS team :) PS, unless you are a time traveler or more east than I am in Sydney, is the posting date of the article supposed to be the 25th of September 2012?
  43. Mann Fights Back Against Denialist Abuse
    Mann's responses to Silver's climate chapter seemed very reasonable and polite, and entirely valid if Mann's descriptions are correct. I too would like to see Silver's response. It sounds like his climate chapter is all too similar to the Super Freakonomics climate chapter, which was quite poor.
  44. 2012 SkS Weekly Digest #38
    Dana@3: I say we pool our resources, out of the *piles* of cash we get from our multi-gabillionaire backer, and buy JM an 'atta boy!' Put me in for a quid....:)
  45. It's the sun
    DB, thank you.
  46. It's the sun
    SirNubwub - While I feel it inappropriate to speculate on others motives, I would like to point out some issues with your previous postings. Your first posting on SkS, as far as I have found, asked "Can I now present to my classes that the hockey stick argument has been discarded by the AGW proponents? ". I recall another one (can't find it at the moment) asking why there was no significant warming in 15 years. You've also recently put forth the proposition that climate science is driven by the money, rather than the data. And in this thread you open up by stating "I am not here to debate a point. I have read the report, but I am not knowledgeable enough in the topic to try to defend it. I just want to learn the alarmist side of the point", then showing a graph of cherry-picked data, from a bad source, arguing directly against the point of the opening post. So, in context, you have presented a series of 'skeptic'/denial talking points, asking about the "alarmist side", usually with an air of "Doesn't this prove all of the science wrong?". The support for these points (IIRC) has been from newspaper articles, blog postings, and sources like the NIPCC. Bad sources, bad phrasing in your questions, all of which unfortunately can lead to a perception that you are more interested in propping up denial memes than investigating the data. It also appears clear to me that you have not read the opening post(s) on the threads you have joined, or looked over the list of 'skeptic' arguments, all of which quite frankly answer the questions you have raised. If you wish to be taken as someone actually interested in answers, I would suggest several things: (1) read the opening post(s), (2) critically evaluate your sources, and (3) ask questions, rather than dropping these "Aren't all of you wrong?" statements. Because, quite frankly, anyone involved enough in climate science and the public discussion to be present on a website like this has already heard enough"Silver Bullet" arguments from 'skeptics' to find them quite antagonizing.
    Moderator Response: [DB] The thread in question leads up to this comment by SirNubwub here. Fixed link & text per request.
  47. It's the sun
    @ SirNubwub #1032 I'd be very pleased if you were to proove me wrong. If you do, I will apologize.
    Moderator Response: [DB] SirNubwub should be accorded the benefit of the doubt, as per his/her recent comment above. Comments made in good faith on these threads are what matter.
  48. Mann Fights Back Against Denialist Abuse
    Mann responds to Nate Silver at HuffPost. Silver's book The Signal and the Noise: Why So Many Predictions Fail -- but Some Don't apparently plays up the uncertainty game. Mann dresses him down but may have managed to avoid burning the bridge. I would like to see what Silver says in response.
  49. It's the sun
    John, You have me wrong and I am a bit ticked by you accusation. All of my discussions have been based on data from referrenced links. I have admitted that I have been wrong on two occassions now in the past few days. If that and my reply in line 1030 is not what you want to see from all skeptics, then please tell me how you hope I would reply.
    Moderator Response: [DB] Point taken. Dialogue and discussion in good faith should be accorded respect from all parties. The point of this site is to disseminate and foster civil discussion of the primary literature of climate change and to overcome misperceptions and misinformation about it.
  50. It's the sun
    @ Bob Loblaw #1029: SirNubWub's posts on this thread and others suggest to me that his primary purpose is not to learn, but rather, it is to provoke SkS authors into saying something intemperate. Therefore, be careful not to take the bait.

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