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Comments 107801 to 107850:

  1. An underwater hockey stick
    JMurphy at 07:35 AM, I asked that your post be deleted only if my reply was not allowed to stand. If I wasn't to be allowed the right of reply, then it was wrong that your post should stand unchallenged. Initially all moderation was without any comments at all until I began protesting strongly. With regards to the previous original reference to the JAMSTEC discussion, I provided the full link so that anyone interested could have full access to the entire discussion, as you so obviously had done, I therefore could not have been accused of being selective or cherry picking parts of the discussion to suit. If anyone interpreted what was being discussed in the linked page differently to how I interpreted it, that is a different matter, but I openly presented it for all to access, so how could there have been any intent to be selective? In this latest case, I had been very specific in that I was referring to the IOD in relation to BOM modeling, and the email I referenced was the foundation for my assertions and provided 100% support for what I had stated about BOM not incorporating it into their modeling. I think that confusion arose because again what was interpreted from what I had posted was different what I had been specifically referring to. I also stand by what I had posted, hoping that it is instead read in the context meant and not read in the context the reader wants it put into.
    Moderator Response: And that draws a line under it.

    One more reminder: Please move any further discussion on the IOD, Australia's climate, model goodness or badness to appropriate threads. For the IOD probably the best fit is What causes short term changes in ocean heat?.
  2. New temperature reconstruction vindicates ...
    KL #149 Well that's a rule of thumb. In reality we use significance tables (at p = 0.05, two tailed):
    No paired observationsMinimum value of R required for significanceMin val of R2
    140.4970.247
    100.5760.332
    80.6320.399
    50.7070.499
    2.950.903
    Anyway if you're going to try to make strong claims about correlations over short periods, you need to do it quantitatively, not qualitatively, and as you can see above, it's a pretty blunt instrument.
  3. It's freaking cold!
    #9: "It would be nice to find a more official or peer-reviewed analysis of this." An interesting review and prediction here, with these words for context: Extreme events, by definition, are on the tail of the probability distribution. Events in the tail of the distribution are the ones that change most in frequency of occurrence as the distribution shifts due to global warming. For example, the "hundred year flood" was once something that you had better be aware of, but it was not very likely soon and you could get reasonably priced insurance. But the probability distribution function does not need to shift very far for the 100-year event to be occurring several times a century, along with a good chance of at least one 500-year event. And a link to Dr. James Hansen - How Warm Was This Summer?
  4. Climate Cherry Pickers: Falling sea levels in 2010
    Alarming increase in flow of water into seas: http://www.sciencedaily.com/releases/2010/10/101004151700.htm "What we're seeing is exactly what the Intergovernmental Panel on Climate Change predicted -- that precipitation is increasing in the tropics and the Arctic Circle with heavier, more punishing storms."
  5. Uncertain Times at the Royal Society?
    scaddenp at 07:08 AM, you may be confusing me saying earlier that wind was a factor, a major factor. The 3 major factors directly driving evaporation are:- a) net radiation impinging on the water (heat input), b) vapour pressure (vpd) of the air passing over the pan . c) windspeed (ventilation). which are discussed in the paper titled:- Proceedings of a workshop held at the Shine Dome, Australian Academy of Science, Canberra 22-23 November 2004 Pan evaporation: An example of the detection and attribution of trends in climate variables
  6. Carbon Dioxide - Everyone's Favorite Pollutant
    An additional comparison between ozone and CO2 is that the deniers of the ozone problem said it would be impossible/very costly to replace freon. We would have no refrigeration, air conditioning etc. Of course they were wrong. Now the same crew says it is to expensive to fix CO2 pollution. Both problems require global action to resolve. The actions taken to fix ozone give me hope that we can deal with CO2.
  7. Positive feedback means runaway warming
    OK, I'm happy to leave it there.
  8. An underwater hockey stick
    johnd, I intend to reply this once only (if I'm allowed), because we are now way, way off topic. If you found my comment offensive then I'm sorry, because that is not how it was intended or, indeed, how I still read it. Perhaps I should use more emoticons, but, nevertheless, I am very surprised about your reaction and think it an over-reaction. However, that is just my opinion and you obviously disagree. Others will make their own minds up but I stand by my general assertion that the way you provide backing for your comments is overly (and frustratingly) selective and, again in my opinion, an unnecessary distraction away from open, honest and credible debate within these threads. Finally, despite what I think of some of your comments, I still would never ask for them to be censored or deleted.
  9. Climate Change: Past, Present, and Future
    GC - the data from Alley wont have changed. Ice core data is no use for modern time because upper parts of snow pack still exchange data with the air. The graphic I pointed to has modern temperature - definitely NOT the same as 1905 - the latest point in the ice core record. Make your "zero" point 1905 and add met data. Also for your points - ice sheet volume is function of accumulation minus ablation. In warmer times, there is more precipitation (as snow) affecting high, cold central parts (same is true of east Antarctica, and in NZ western glaciers) However, ablation at edges will overwhelm it - as shown by the various ice sheet mapping techniques. And is it only you that doesnt understand what is happening with stations? But I guess they will be happy to tell you.
    Moderator Response: Please take the dropped stations discussion to the relevant page. Thanks.
  10. Uncertain Times at the Royal Society?
    Johnd - I think (and I may be wrong) that you are trying to imply that wind changes affecting evaporation is a climate FORCING. I am pointing out that wind change cannot be a forcing - wind changes can only be a response to temperature difference which in turn have other causes. It is my belief that you are confusing the causes of internal variability ("weather") with causes of climate trends.
  11. Uncertain Times at the Royal Society?
    Baz - just because sharp changes in the past were natural does not imply that sharp changes now are. You have to look at the causes. Are those causes from operating now. Nope.
  12. Carbon Dioxide - Everyone's Favorite Pollutant
    Doug, I agree on all points. I was already working on finding a couple of reference links in addition to Dana's; so, for anyone interested, here here is a primer, and here is a more comprehensive (and technical) review article. The review article and Dana's links will have a lot of overlap, but I thought the 8-point summary in it would be a nice-to-have.
  13. An underwater hockey stick
    Reposted due to deletion. Moderator, you asked me to restate my case, which I have repeatedly done, only to have them deleted.
    Moderator Response: You have repeatedly asked that we repost the same long complaint originally deleted. In your most recent demand that your post be reinstated, you indicated you'd written that first complaint with the intent of being offensive. Enough. Drop it.
  14. Carbon Dioxide - Everyone's Favorite Pollutant
    Yeah, ChrisG, I suppose it's not really possible to establish a p-chem border between the outside of the smaller marine critters and plants and their insides. I'm actually a little behind the curve on integrating the dismal story of the ocean food farm/mine into my picture. As you suggest the direct pressure of takings is already a bad scene. If we're not only attacking the upper part of the foodchain but also the bottom, it's hard to see a good end. Still, I think that struggling to model toxicity against C02 for us air-breathers is a hard row to hoe. Knock-on effects of accepted physics seem to be the main issue up here in our part of the terrarium.
  15. Carbon Dioxide - Everyone's Favorite Pollutant
    Another analogy to CO2 as a pollutant is excessive phosphorus loading from fertilizer applications in agricultural landscapes. Phosphorus (and nitrogen, and other nutrients) are necessary for plant growth. But excess nutrients in the soil will be mobilized and find their way into rivers and lakes, leading to harmful algae blooms and long-term declines in water quality. Many agricultural soils in the US Midwest have a century or more's worth of excess phosphorus, thanks to years of over-application.
  16. Carbon Dioxide - Everyone's Favorite Pollutant
    I think the best comparison would be to ozone. It's life-supporting as the ozone layer; screening out UV. But high levels of ozone at low altitude are part of smog, and are pollution. So both level and location of ozone make the difference between life-supporting loveliness and nasty pollutant - for the same gas.
  17. Carbon Dioxide - Everyone's Favorite Pollutant
    Chris G (at 03:03 AM on 6 October, 2010) Would a suitable comparison be the use of lead in plumbing. The human body can tolerate some very low of lead but will suffer increasingly bad symptoms if continually exposed to lead levels . The use of lead in plumbing bought many benefits for many centuries but in the long run we've come to realise it was a bad idea to release large quantities into our atmosphere and water supply.
  18. Carbon Dioxide - Everyone's Favorite Pollutant
    Thanks Doug, that's just about exactly where I was going, only with more detail than I could summon out of my brain. Except, as I understand it, the metabolic processes of forams are pretty much physical chemistry. Ocean acidification is in the process of severely stressing ecosystems that are already under extreme duress through over-fishing, destruction of habitat, and other pollutants. The decline in every major fishery in the world is already a problem. As the oceans turn from an environment well suited for forams to one perhaps more suited to jellyfish, it's not clear what the hundreds of millions of people, who are currently dependent on the ocean as their major food source, will be eating.
  19. It's freaking cold!
    It's unfortunate that the graphs in this post are for the US only. In an attempt to find similar data for the world as a whole, I ran across the website of Maximiliano Herrera, who has compiled data on weather stations that set new high or low records every year since 2002. So far, in 2010 there have been 337 warm records versus 13 cool records. In 2009, the ratio was 80 (warm) to 15 (cool). In 2008, it was 40 (warm) to 18 (cool). In 2007, it was 133 (warm) to 9 (cool). And so on... It would be nice to find a more official or peer-reviewed analysis of this. ------------------------ (Moved from the other thread about impending ice ages, per the moderator's request)
  20. We're heading into an ice age
    Redirecting extrema discussions to "It's freaking cold"... please see for comment.
    Moderator Response: Thank you!
  21. It's freaking cold!
    Redirect from the "new ice age" thread: This is an excellent topic page - and one of the more insidious errors. Our personal experience, and by extension the personal experiences of people we know, tend to have a lot of weight on our judgement. So do more immediate events - what happened last week is more immediate, more forceful in our minds, than what happened a month ago. We also place extreme weight on extraordinary events: a freak snowstorm gets talked about for years, even if the winter in which it occurred was on average pretty mild! So for anyone collecting anecdotes or news stories about extreme weather events - I would strongly recommend looking at the statistics to judge the trends. Individual extreme events tell you very little...
  22. We're heading into an ice age
    Re #104, sorry moderator......
  23. We're heading into an ice age
    Sorry about my last comment, which should be posted elsewhere as suggested - I didn't see the Moderator's suggestion before I posted. This will be my last on this subject here.
  24. We're heading into an ice age
    Tom Loeber, your first link mentions a "worst cold spell in 46 years"; the second mentions the "lowest temperature this year"... I give up. You just do not understand the comparison between, say, a 'record since records began', and 'a record this year'. You seem to see the word 'record' and think that is everything. It isn't : what you are so excited about is called 'weather'. As for "some reports say more than 100 years", prove it. It's not worthwhile anyone bothering to check anything you type out anymore. Finally, and most bizarrely, you suggest that we shouldn't "trust the summaries written up by prominent scientists or organizations" - while you trust media reports and headlines; think the internet allows you to be an expert in whatever you feel like, and end up with conspiracy theories. You have nothing, I'm afraid, but you think you have everything.
    Moderator Response: Continue discussion of individual weather events on the relevant thread It’s freaking cold!.
  25. We're heading into an ice age
    Tom, please read other people's posts very carefully. I was talking about all time record maxima and minima. Regardless, as Ned showed nicely @101, record highs are far outpacing record minima. Yes, and I have a life too. Tuning you out then.
    Moderator Response: Please post comments--even responses--regarding weather on the thread It’s freaking cold!.
  26. We're heading into an ice age
    Only one record low in one nation this year? This article must be mistaken http://en.trend.az/regions/world/ocountries/1725799.html and this one http://english.ruvr.ru/2010/07/15/12419233.html and this one http://pgosselin.wordpress.com/2010/07/15/record-cold-set-in-antarctica/ and this one http://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=10658655 and this one http://latimesblogs.latimes.com/lanow/2010/07/record-cold-at-lax-airport-as-july-gloom-continues-in-southern-california.html and this one http://www.signonsandiego.com/news/2010/jul/06/grsq-dreary-clouds-last-until-mid-week/ and this one http://joongangdaily.joins.com/article/view.asp?aid=2921285 and this one http://journalnet.com/news/local/article_10a69c4e-6c75-11df-b454-001cc4c002e0.html That is about half of this year. I could go back more but I think of the above you will fine at least two that are fairly reputable that list record cold temperatures in different nations. Mr. Bostrom, that paper I commented on earlier also states that the extent of the noctilucents has never exceeded as when they were first noticed. That is convenient for his argument that they play no significance in climate change but it is absolutely false. You don't see the data though in his paper as he only takes a slice, less than 36% the time they have been observed. Mr. Murphy, I stand corrected. I see the notices that last year or maybe the year before then, England had its coldest winter in at least 30 years and some reports say more than 100 years. I cannot continue with this. I do have a life and this is a message board and as such it is linear and people can post more than their proven worth. I will leave you with one suggestion, don't trust the summaries written up by prominent scientists or organizations. The internet gives you a good start at going and looking at the evidence yourself. There are strong, violent and intolerant forces at work that have been swaying public and private opinions for generations and they continue to play a dominant role, IMHO.
    Moderator Response: You must post comments on weather on this thread: It’s freaking cold!. Further comments on that topic on this page will be deleted--that's comments by you and by anyone else.
  27. An underwater hockey stick
    To John Cook, I find the above post JMurphy at 23:42 PM offensive. The censorship process by the moderator is not open or transparent in disallowing a response whilst allowing an offensive post to remain without comment by the moderator. If the above post JMurphy at 23:42 PM is allowed to remain then I would like my just deleted post reinstated in it's entirety. The remarks that I was responding to are an attack on myself and a distortion of how the debate evolved. I was very specific about the subject in question, that being the IOD and JMurphy at 23:42 PM is a distortion of what was being referenced as well as a snide attack. If you are not willing to reinstate my reply, then I ask that you censor his post as well.To John Cook, if the above post JMurphy at 23:42 PM is allowed to remain then I would like my just deleted post reinstated in it's entirety. I find it offensive. The remarks that I was responding to are an attack on myself and a distortion of how the debate evolved. I was very specific about the subject in question, that being the IOD and JMurphy at 23:42 PM is a distortion of what was being referenced as well as a snide attack. If you are not willing to reinstate my reply, then I ask that you censor his post as well.
    Moderator Response: The comments policy here is quite clear. Try restating your case without the all-caps, more calmly.

    This is also a good time to take the entire topic of Australia's climate and the IOD to a more appropriate thread. Please use the search box at upper left, choose a better thread, and make further remarks there.
  28. We're heading into an ice age
    My post @ 96 should have read: "And a correction to my previous post. No nations, to my knowledge, have set all-time record cold temperatures in 2010, not one." And the experts concur with CBDunkerson's thoughts on noctilucent clouds: Here is some information In which they state: "First sighted in 1885 in Northern high latitudes, noctilucent, or night shining clouds occur in the summer in the mesosphere, which is the coldest part of the atmosphere. Cloud formation is possibly hastened by increasing amounts of carbon dioxide in the atmosphere. While CO2 is thought to contribute to global warming on Earth, it actually cools the high atmosphere. In recent years, noctilucent clouds have begun appearing closer to the equator." And some more here. In which they say: "Ironically, greenhouse gases like CO2 that warm Earth's lower atmosphere also cool the upper atmosphere, possibly enhancing conditions for ice crystal formation, said Rusch, lead scientist for the Cloud Imaging and Particle Size experiment, or CIPS"
  29. We're heading into an ice age
    Mr Loeber, you appear to believe that the best way to describe the state of the climate is by seeking out every report of a cold snap somewhere, sometime, and highlighting it. That's a good way to fool yourself, but not a good way to understand objective reality. Maximiliano Herrera has compiled data on met stations that set new high or low records every year since 2002. So far, in 2010 there have been 337 warm records versus 13 cool records. In 2009, the ratio was 80 (warm) to 15 (cool). In 2008, it was 40 (warm) to 18 (cool). In 2007, it was 133 (warm) to 9 (cool). And so on... Your comment "It is my opinion that the greatest danger we face is epistemic relativism. Might does not make right. Majority opinion does not determine truth. Observe to formulate opinions ad infinitum. Don't opinionize to formulate what you can and cannot observe." is highly ironic. Rather than being convinced by the objectively straightforward warming trend, you rely on anecdote, cherry-picking, and appeals to emotion.
  30. We're heading into an ice age
    Tom: "I see that you folks pretty much have your minds made up and no amount of contrary evidence can be tolerated." Tom, you know the same could be said of you. You simply don't (or choose not to) recognize that in terms of amount, the evidence against what you claim is mountainous compared to your molehill's worth. I'd like to see the mechanism you propose that would cause a sudden cooling snap (no global instrumental temperature record displays a cooling trend excepting TOA). Can you model the tipping point for us? How long do we have? Or are you simply picking over the mass of collected data and choosing the bits that support your "shocking" pseudo-theory?
  31. We're heading into an ice age
    Tom #94: "Only one nation? That is not worthy of any effort to refute." Why? It would be so EASY to prove that you are right. Especially since in post #96 Albatross says it turns out that "one country", Guinea, actually had its all time record set LAST year. So all you have to do is cite one country, anywhere in the world, which had its all time record coldest temperature set this year. Just one. That's really 'too much effort'? After all the other posts you've made? Typing out the name of a country is too much work? Or is it not worth refuting... because it is TRUE?
  32. We're heading into an ice age
    Tom Loeber wrote : "I see that you folks pretty much have your minds made up and no amount of contrary evidence can be tolerated. " Unfortunately, you have no "contrary evidence" : you have newspaper articles, online news stories, personal theories and personal experience. Doubly unfortunate is that you cannot see that you don't have any "contrary evidence". If you don't actually provide any, you can indeed expect to be ignored or repetitively shown the evidence that has already been shown but which you are ignoring because you have a pre-determined need to believe what you want to believe. Provide some real evidence, please.
  33. We're heading into an ice age
    Tom Loeber - I don't believe you'll be banned; I don't know of anyone who has, quite frankly. However, your arguments about noctilucent clouds are (as CBDunkerson pointed out, reversing the causal relationship - more noctilucent clouds are expected with warming, not fewer. Extreme weather conditions are to be expected with natural variability - but extreme maxima are occurring twice as often as extreme minima over the last few decades. Your insistence on scattered news reports and anecdotes does you no favor in this discussion - the data contradicts you on that. And as per the main topic of this thread, we appear to be moving away from ice age conditions, when normal cycles indicated we should be moving towards an ice age - we're getting further from ice age conditions all the time. You have presented roughly zero evidence for an immanent ice age. So, while I don't know if anyone gets banned (although individual posts get cut, and if someone has nothing but insults or off-topic posts, it may seem that they're cut), you are at this point not going to be taken seriously by anyone on this site unless you develop a more evidence-based line of discussion. Not banned. Ignored, I'm sorry to say, is fairly likely. I would really encourage you to look at and consider the evidence for global changes (watching out for confirmational bias), and remain in the discussion.
  34. We're heading into an ice age
    Tom, Please read this Those are actual weather data form various weather agencies and climate groups around the world. You continue to fail to support your assertions with facts and data. And a correction to my previous post. No nations have set record cold temperatures in 2010, not one: "No nations set record for their coldest temperature in history in 2010. Jeff Masters erroneously reported in his blog earlier this year that Guinea had done so. Guinea actually had its coldest temperature in history last year, on January 9, 2009, when the mercury hit 1.4°C (34.5°F) at Mali-ville in the Labe region." [from above link] "I expect to be banned or something like that soon, eh?" John Cook is very patient and open to criticism, and you'll find that is you can support your arguments with facts, people here will be very tolerant. That said, this site has a comments policy and you seem to be doing your best to break the rules and antagonize people, why? Again, time to up your game and start substantiating your claims with facts from reputable sources, this may be a blog, but it is a science blog.
  35. We're heading into an ice age
    No, Tom. It's almost impossible to be banned here. You can expect to be ignored.
    Moderator Response: Also, Tom, individual comments will be deleted if they are off topic of the page on which they are posted. You need to continue discussion of individual weather events on the relevant thread It’s freaking cold!.
  36. Carbon Dioxide - Everyone's Favorite Pollutant
    ChrisG, the mental trick being exploited by opponents of regulation of CO2 as a pollutant is that of getting people to think of toxicity, when the threat is physical and has nothing to do with our own metabolisms. Even the ocean acidification issue is mostly not metabolic per se, more a matter of unfavorable physical chemistry. The pollution issue w/CO2 analogizes reasonably well to that of chlorofluorocarbons and stratospheric ozone. The pollution threat in both cases is not toxicity but physical effects. Ozone and CO2 are both just trace gases; seemingly small concentrations of both gases produce notable physical effects if they're changed much. If the ozone at typical concentrations from top to bottom of the atmosphere was concentrated at the bottom of the atmosphere we'd have a wee layer of ozone 3mm thick. That little 3mm turned out to be a big deal; maintaining a ridiculously small but vital amount of gas caused quite an upheaval but was absolutely necessary. Do the exercise with C02 and we get something like 1000 times the thickness, around 3m. Thinking of 3m of C02 and what it does to keep things warm, it's easier to understand why increasing that thickness to 4 or 6 meters is actually quite a change. Denying that increasing the thickness of C02 in the atmosphere by 50 or 100% will produce a change means you have to either take the simple-minded perspective that CO2 produces little or no greenhouse effect, or you need to invoke CO2 is saturated magic. Fossil fuels are dangerously defective when considered from the perspective of the physical threat posed by their emissions. We've dealt with a similar situation before, on a global scale.
  37. We're heading into an ice age
    Mr. Albatross, thank you for posting your name. Only one nation? That is not worthy of any effort to refute. It is you being highly unreasonable and inaccurate. I am warmed by your deciding to tune out. I see that you folks pretty much have your minds made up and no amount of contrary evidence can be tolerated. I expect to be banned or something like that soon, eh?
  38. A detailed look at the Little Ice Age
    A minor quible; I think that you should modify the paragraph that begins 'Note that over short periods...' to something like 'If you assume forcings are constant, you will have a situation like Case 1, as over short periods...'
  39. We're heading into an ice age
    Tom Loeber, noctilucent clouds = cooling mesosphere = warming surface. For example; Summer: Warm at the surface. Cold in the mesosphere. Poles: Showing the greatest surface warming. Coldest region of the mesosphere. Increasing CO2: Warms the surface. Cools the mesosphere. Noctilucent clouds require temperatures of about -120 C to form... which even the mesosphere, the coldest region on Earth, seldom reaches. That is why they are seen in Summer near the poles... the coldest time and region of the mesosphere. As CO2 concentrations increase the mesosphere as a whole gets colder and noctilucent clouds become more common, but the planet's surface gets warmer. Your premise seems to be 'as goes the mesosphere so goes the planet'. In reality all available evidence indicates the opposite... a cooling mesosphere means a warming planet.
  40. We're heading into an ice age
    Mr. Bostrom, so if the data does not lead to "useful conclusions" it should be ignored or discounted totally? I've yet to go into all the links you provided but that last one, he shows a graph of 45 years and determines that noctilucents are really of no concern. Hmmm, first surface mirrors peaking at summer when solar input is supposed to be the most coating the planet far above the green house gases not a concern? How about this graph from NASA going back to when noctilucents were first recorded. I think that tends to skew the data presented in the paper you link to towards a different conclusion. My understanding is that over the last few years the noctilucents have grown in frequency and duration to record amounts repeatedly, beating practically each year's extent and duration.
  41. We're heading into an ice age
    Tom, With respect, you are simply not listening or comprehending the replies to your posts. You keep citing cold weather events, that is confirmation bias. I'll repeat it again, only one nation around the globe has set all time record cold low in 2010. In contrast, so far this year 17 nations around the world set all time high records, and 2010 is on track to be the warmest on record. In the USA warm temperature records are out pacing cold records by over 2:1 so far this year, and similar stats are emerging elsewhere. We are not rapidly changing the tilt of the earth's axis Tom, there are still going to be seasons, including cold snaps during the winter months. The long term trend is global temperatures is up, and for the past 30 years the planet has been warming at almost 0.2 C/decade. The cold weather in parts of Europe and Eurasia last winter were because of the Arctic Oscillation (internal climate variability) flipping into an extremely negative phase, which meant the Arctic was relatively warm while the aforementioned areas were colder than average (not all time record lows as far as I can tell). Sorry, but unless you up your game and stop moving the goal posts, I'm tuning out.
  42. We're heading into an ice age
    Tom Loeber wrote : "Mr. Murphy, there is so much. The record cold that destroyed the livelihood of Mongolian herders, killing their livestock, the record cold across the whole south of China that was said to be the worst in more than 700 years, the record cold and snow in Washington state and descending into Oregon that helped kill my mom two years ago. The NE US and Europe cold that Professor Hansen explained away as weather not climate. England is stated as having their coldest winter on record within the last two years. I could give you a list as long as my arm of record cold events, widespread and on all continents and it appears since they just don't fit your hypothesis you can't see them." Firstly, last Winter here in the UK was the coldest since the late 70s overall. Hardly the "coldest winter on record". Feel free to post evidence that shows otherwise. Mongolian herders were indeed affected by a very cold Winter following the previous season's drought - a double whammy, as some of your other news articles for other countries have shown. Record cold ? Only if you want to believe so. I have read news articles about the cold Winter in China, a couple of years ago, suggesting the coldest since anywhere between 20 to 100 years. 700 years ? Over to you. You are still relying on news outlets for your opinions, but also, it would appear, your own personal loss. I can understand how this would make you want to see everything in catastrophic terms.
  43. We're heading into an ice age
    Mr. Murphy, no one is perfect. John Hamaker was apparently totally unaware of noctilucents though they appear to be a very strong indication that his theory is largely sound. Did you get a chance to see that movie I linked to earlier? Those small and large scale experiments in remineralizing soils offers so much to help us secure this planet. How come it is not a UN sponsored strategy? Seems remineralizing soils rather than using fossil fuel derived fertilizers would help the situation no matter what theory you believe. Hmmm, could fossil fuel companies wanting their cash cow of fertilizers to remain unchallenged be playing any role?
  44. We're heading into an ice age
    KR, extreme weather but over wide areas of the planet? When extreme weather becomes the norm should we still discount it? I am not denying global warming. I do think if the planet does snap into ice age conditions that will be a singular event and it will be climate and weather. I think there is a great deal of evidence that is happening but seems most are going to have to learn the hard way and that means a lot of death and destruction, maybe too much for humanity to survive, IMHO.
  45. We're heading into an ice age
    I've just looked up that Hamaker fellow and it appears he was predicting a shortening of growing seasons, before we fall head-long into an ice-age. Any proof ? An increasing number of studies have reported on shifts in timing and length of the growing season, based on phenological, satellite and climatological studies. The evidence points to a lengthening of the growing season of ca. 10–20 days in the last few decades, where an earlier onset of the start is most prominent. Observed changes in growing season length Field and satellite data at the community and biome levels indicate a lengthening of the growing season across much of the Northern Hemisphere (1–6) and—where data exist—in the Southern Hemisphere (5, 7, 8), yet life history observations of individual species suggest that many species often shorten their life cycle in response to warming (9–12). Not a very good start for Mr Hamaker, it would appear...
  46. We're heading into an ice age
    Tom Loeber - There will always be some extreme weather with unfortunate consequences, including the events that affected your family (which I'm very sorry to hear about). However, singular events are weather. If you are looking at climate (long term trends), you need to look at the statistics and numbers of many events, hot and cold. If you look at the relative numbers of hot and cold events, maxima and minima, you will see that individual cold weather doesn't disprove global warming. There are simply more extreme highs than extreme lows over the past 30 years. What we personally experience has strong effects on our beliefs - how could it not? But if you want to look at global changes, you need to look beyond personal direct experience to the global data.
  47. We're heading into an ice age
    Tom #82: Noctilucent clouds are believed to be CAUSED by global warming... and thus hardly constitute a 'fly in the ointment'. From what I can gather I think you are arguing that noctilucent clouds indicate cooling and thus are contrary to global warming. Of course, noctilucent clouds are found in the mesosphere... which of course cools as greenhouse gas concentrations increase and 'trap' heat in the lower atmosphere.
  48. Carbon Dioxide - Everyone's Favorite Pollutant
    Note that I also made a point of listing the EPA's references for their responses to the skeptic 'verbiage' (USGCRP, IPCC, and NRC) in anticipiation that certain individuals would dismiss their findings offhand, as gallopingcamel did.
  49. Carbon Dioxide - Everyone's Favorite Pollutant
    I'm finding that as I learn more I have less to say. Most of what I would say has already been said, in particular the comments relating to how something can be a pollutant merely by being out balance with what the current biological systems have adapted to, and the mind-numbing verbiage that are the critiques and responses to every comment the EPA received. GCamel, I suggest you read them before guessing what they might say. Then, if you are feeling industrious, find an independent, reliable source like a university science web site or physics and/or chemistry textbook to find confirming or controverting evidence. I'm trying to think of an analogy to CO2 being a pollutant that hasn't been used before, that would also strike home for the average person. Digoxin was pretty close, but while I happen to know what it is, not everyone does. It is a insidious because it is present naturally and its harmful effects are indirect. Like good old sodium chloride (table salt), it's required for life, but if someone were dumping some on my yard I be a bit peeved. But that doesn't work well because CO2 levels have to be very high before they become directly toxic. CFCs are relatively close because the harmful effects are indirect, but CFCs don't really occur naturally, at least in any quantity that I'm aware of. So, I'm still searching.
  50. We're heading into an ice age
    The Milankovitch theory does not explain noctilucents. They get in its way so I see, such as in the following article they are ignored, not even mentioned... Tom, if you'd actually read replies to your comments, you'd already have learned that noctilucent clouds are not being ignored. A further two minutes w/Google Scholar would also help you realize that the flies are actually in your ointment, screaming with their tiny voices for your attention.

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