Showing posts with label climate science. Show all posts
Showing posts with label climate science. Show all posts

Friday, 10 February 2017

23 minutes to kiss the planet goodbye

Waking up in the middle of the night, the World Service was interviewing Myron Ebell.

I hope friends in the US can access this from the BBC World Service: http://www.bbc.co.uk/programmes/p04rq0fk#play

If you feel in the slightest depressed, don't listen till you are more cheerful. I haven't slept in the three hours since the show was broadcast, it's now around 06:30am.

A couple of sample take homes for the lazy:


  1. The EPA is to be gutted (staff cut by 2/3 and budgets slashed)
  2. The hiatus proves that there is no connection between CO2 and warming
  3. roughly: " it has recently been shown that the temperature record is a hoax". No, really.
Can you spot the glaring inconsistency? Others already have.

Really should go back to bed, but time seems to be getting more precious every day these days...

Wednesday, 1 February 2017

Do you want ice with that?

A popular pastime amongst those of us who have an interest in what's going on with the climate is to try to guess how much Arctic sea ice there will be each season when the annual minimum is reached.

For anyone reading who thinks this might interest them, there is an almost endless ongoing source of information, graphs and analysis at the excellent Arctic Sea Ice Blog/ Forum/Graphs.


There is also a science program which collects various predictions, from the technical (model-based) to the amateur (heuristic), called SIPN (used to be ARCUS).


Part of the fun of this is to try to work out the different factors which may or may not affect future sea ice level down the line. On a long time scale, this is easy enough, if you simply reference the climate data since 1979 and look at the history of decline in Summer sea ice levels. It is quite possible to do a 'rough fit' with historic data and come up with a prediction which is not far off the mark, though this is going to be more by chance than reason.


One of the most popular sources of data and information is the NSIDC dedicated sea ice and cryosphere pages. These focus on the measured data rather than prediction, but contain a wealth of useful graphics and links.


On the recent page you will notice a reference to a recent piece of research conducted by some of the members of the team, Serreze M. C. et. al., JGR (2016).


This paper demonstrates a connection which has an effect on the annual minimum:


"...They found that 68 percent of the variance in the date that ice retreats from the continental shelf break in the Chukchi Sea in spring can be explained by fluctuations in the April through June Bering Strait oceanic heat inflow..."


So, one way in which we can now make a more reliable prediction in relation to one part of the Arctic is in place.


Then, I noticed (not reported widely elsewhere yet) that others of the team have been involved in a different piece of research at the opposite side: Fram Strait sea ice export variability and September Arctic sea ice extent over the last 80 Years. (Smedrud et.al.). Here we find the useful:


"...Increased ice export during winter will generally result in new ice growth and contributes to thinning inside the Arctic Basin. Increased ice export during summer or spring will, in contrast, contribute directly to open water further north and a reduced summer sea ice extent through the ice–albedo feedback..."


and: "...We find a general moderate influence between export anomalies and the following September sea ice extent, explaining 18 % of the variance between 1935 and 2014, but with higher values since 2004...".



These two useful recent pieces of work add to our understanding of two of the mechanisms which contribute to Arctic Summer minima. They don't give the whole picture; the number and range of the variables are such that we don't have a full picture of all of the teleconnections or causes.


What we can do, though, is look at these two parameters and add some inferences to our other observations. If Fram export has been relatively high recently, then the September minimum is likely to be lower than the long term average. If Bering Sea heat input is higher than usual during the Spring, then the September
minimum is likely to be lower. 


If both cases occur simultaneously, it is reasonable to infer that there is a high likelihood of a reduced minimum, if the other other known variables (such as the Arctic oscillation - AO) do not contradict this, and if the historic patterns of weather and overall seasonal temperature anomalies are also in alignment.


This is an example of how ongoing scientific research and information collecting adds to our understanding of the ways in which the climate can vary, and the trends which show how the climate is changing relative to the past.

Friday, 27 January 2017

It just seemed like the right thing to do


Back in the chain Gang

I've never exactly been a Player in the online climate science field, though have dribbled around the edges for some time and have occasionally received encouraging noises from scientists whose opinions I respect.

But in previous iterations, my blogs have received a few tens of thousands of readers, and, more recently, I have a steady readership when I post on Quora.

So, though it may be a small constituency, yet there may be some people who appreciate what I try to do online and it is for them, as well as myself, that I have decided to reopen the blog.

Why now? Mainly, because it feels as if Truth is under attack. Prejudice and dishonesty abounds and is sometimes rewarded. Decency is not in vogue, and being human matters less than being noisy/young/pretty/opinionated/a cat.

Which leads to my second reason: for some time I have been concerned that there is a moral issue in respect to climate science and future-casting in general which is being steadily eroded. And this issue is our treatment of, and respect for, each other as humans. 

Today is Holocaust Memorial Day. It exists because many people think it important to remember the evil which can and has been done in our names, or with our consent. It is important.

As I spend more time than is healthy considering, analysing and speculating about our collective future, I am reasonably confident that our society is changing, not for the better. There is an ongoing and future injustice which, if the projections play out, represents a human harm, a level of suffering, which is not just comparable to the suffering of the holocaust, but on a scale so vast as to be almost unthinkable.

Seventy five years ago, there were people who saw what was happening in Europe, in Nazi Germany and elsewhere, a more virulent continuation of historic persecutions going back centuries, and they turned away. Some did not.

And this is why I have returned. If a vast, unspeakable crime against humanity is to be committed, it will not be with my consent, not in my name, and I will not ignore it or simply let it happen. I am opening a dialogue to people who understand the stakes in climate, politics, environmental and social Justice and injustices, and who believe that such depravity should not go unchallenged.

All this is very serious, but please don't be put off - I'll still sometimes make a joke.


Monday, 30 March 2015

This is important and should be shouted about

Holy Cow!

Thanks to the Guardian, I find The Oslo Principles, a new publication on the Laws relating to climate change. 

It is hard to assess the detail in one chunk, but to me this is so significant it deserves full publication, as well as links:

What it does is set out in law the ways in which both nations and enterprises are legally liable, now, for the impacts of climate change.

The implications of this are very, very far reaching. The commentary, rehearsing the legal arguments and providing references, is 94 pages long, and can be accessed here.Enjoy:

OSLO PRINCIPLES ON
GLOBAL CLIMATE CHANGE OBLIGATIONS
On March 1, 2015, a group of experts in international law, human rights law, environmental law, and other law adopted the Oslo Principles on Global Obligations to Reduce Climate Change.
The experts came from universities, national and international courts, and organizations located in every region of the world.
Based on extensive legal research and discussions over a period of several years, which culminated in a meeting in Oslo, Norway, in 2014, the undersigned experts adopted the following principles:
PREAMBLE
Climate change threatens the well-being of the Earth. The threats are grave and imminent. Indeed, climate change has already begun to harm human communities and the environment. As a group of legal experts concerned about global climate change and its disastrous effects on the planet and on life, we have come together to identify and articulate a set of Principles that comprise the essential obligations States and enterprises have to avert the critical level of global warming.
These Principles, seeking to overcome the generally abstract nature of previous efforts to define the scope of legal obligations relevant to climate change, express both
1) the current obligations that all States and enterprises have to defend and protect the Earth’s climate and, thus, its biosphere; and
2) basic means of meeting those obligations.
Fulfilling these obligations is necessary and urgent if we are to avoid an unprecedented catastrophe. The obligations set out here derive from broad fundamental principles and a wide range of well-established law.
The biosphere, all forms of life within it and the ecological processes that maintain all living organisms are part of the common heritage of humanity. Human beings, because of their unique nature and capacities, have an essential duty as guardians and trustees of the Earth to preserve, protect and sustain the biosphere and the full diversity of life within it.
Avoiding severe global catastrophe is a moral and legal imperative. To the extent that human activity endangers the biosphere, particularly through the effects of human activity on the global climate, all States and enterprises have an immediate moral and legal duty to prevent the deleterious effects of climate change. While all people, individually and through all the varieties of associations that they form, share the moral duty to avert climate change, the critical legal responsibility rests with States and enterprises.
According to the view of the overwhelming majority of leading scientists and other experts, climate change poses serious risks to both present and future generations of humankind, to other living species and to the biosphere. Climate change further endangers social and economic progress, international peace and security, and equity and justice among human beings and States. Communities and segments of the population already in the most vulnerable circumstances will tend to suffer the effects of climate change most acutely.
Prevailing international scientific opinion recognizes that a two-degree Celsius increase in the Earth’s mean global surface temperature over the pre-industrial level will have a profound, adverse and irreversible impact on human and other life and on the Earth. The even greater increase toward which the climate is currently moving would cause significantly greater damage. Human activity is already causing grave and potentially catastrophic changes in the climate. The rate of global climate change is widely understood to put humanity at a tipping point that requires urgent action to avert disaster. While a small minority of opinion is critical of the consensus, the power of prevailing scientific opinion requires action as set forth in these Principles.
All principles, laws, policies and practices, whether local, national or international, that may affect the environment and, in particular, the global climate must be based on scientific evidence. As this evidence is constantly evolving and improving, lawmakers, policymakers and tribunals have a duty to inform themselves of and base their actions – in good faith and respecting justice and equity – on prevailing scientific knowledge and opinion. If necessary, in order to respect the Precautionary Principle (Principle 1 below), such decision makers must take into account, and take action to avoid, any credible and realistic worst-case scenario accepted by a substantial number of eminent climate change experts.
International law entails obligations to act cooperatively to protect and advance fundamental human rights, including in the context of climate change and its effects on people’s ability to exercise such rights. Threatened human rights include, but are not limited to, the right to life, the rights to health, water, food, a clean environment, and other social, economic and cultural rights, and the rights of children, women, minorities and indigenous peoples.
International law recognises that each State is legally responsible for the deleterious trans- border effects that human activities in its territory have on other States.
The grave and universal nature of climate change’s threat to the Earth affirms the basic principle of human solidarity and requires all States and individuals to act, in regard to decisions affecting the climate, with urgency and respect for justice and equity and to negotiate in good faith to achieve agreements that, taken together, would prevent the critical two-degree Celsius increase in global temperature.
If global emissions contributing to climate change continue to increase, or if the required reductions, as set out in these Principles, fail to prevent a two-degree Celsius temperature increase, States and enterprises must reduce their emissions further.
These Principles set out the legal obligations of States and enterprises to take the urgent measures necessary to avert climate change and its catastrophic effects. They do not claim to address all action that humanity will need to take to respond to the dangers climate change poses to human life and the biosphere. Additional crucial initiatives include:
• action by international, national and local actors to adapt to inevitable climate-change effects in ways that minimize harm to human and other forms of life and to the exercise of human rights;
  • transparency in the conduct of all actors with responsibility to implement these Principles;
  • widespread education initiatives to ensure that humanity, in general, and all people making relevant decisions, including legislative and judicial decisions, understand the urgency of action to avert climate change; and
  • guarantees of public access to information about the climate effects of policies, projects and practices, public participation in relevant decision-making, and the establishment of appropriate institutions to coordinate and implement efforts to reduce climate change.
    No single source of law alone requires States and enterprises to fulfil these Principles. Rather, a network of intersecting sources provides States and enterprises with obligations to respond urgently and effectively to climate change in a manner that respects, protects, and fulfils the basic dignity and human rights of the world’s people and the safety and integrity of the biosphere. These sources are local, national, regional, and international and derive from diverse substantive canons, including, inter alia, international human rights law, environmental law and tort law.
    Under well-established principles of international law, States are entitled to a degree of discretion in the means they choose to fulfil their obligations under these Principles.
    I. GENERAL PRINCIPLE
    1. Precautionary Principle: There is clear and convincing evidence that the greenhouse gas (GHG) emissions produced by human activity are causing significant changes to the climate and that these changes pose grave risks of irreversible harm to humanity, including present and future generations, to the environment, including other living species and the entire
natural habitat, and to the global economy.
  1. The Precautionary Principle requires that:
    1. 1)  GHG emissions be reduced to the extent and at a pace necessary to protect against the threats of climate change that can still be avoided; and
    2. 2)  the level of reductions of GHG emissions required to achieve this, should be based on any credible and realistic worst-case scenario accepted by a substantial number of eminent climate change experts.
  2. The measures required by the Precautionary Principle should be adopted without regard to the cost, unless that cost is completely disproportionate to the reduction in emissions that will be brought about by expending it.
II. DEFINITIONS
2. Least developed countries: Countries that qualify as least developed, as defined and
classified by the United Nations Committee on Development Policy.
3. Permissible quantum of GHG emissions: Maximum amount of total global GHG emissions per capita in a given year, calculated on a global basis, that, based on Principle 1.a, may be allowed consistent with a plan of steady emissions reductions to ensure that the total
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global average surface temperature increase ultimately caused by GHG emissions never exceeds pre-industrial temperatures by more than 2 degrees Celsius.
4. Above- or below-permissible-quantum country: A country that, in a specific year, has GHG emissions per capita that, respectively, exceed or fall below the permissible annual quantum.
5. Reduction of GHG: For the purpose of these Principles and Obligations, reduction of GHG emissions includes measures to reduce GHG already in the atmosphere as well as to reduce GHG emissions.
III. SPECIFIC OBLIGATIONS
A. Obligations of States and Enterprises
6. States and enterprises must take measures, based on Principle 1, to ensure that the global average surface temperature increase never exceeds pre-industrial temperature by more than 2 degrees Celsius.
  1. The extent of the measures legally required must be determined in light of the Precautionary Principle, defined in Principle 1.
  2. The permissible quantum of GHG emissions that a State or enterprise may produce in a specific year must be determined in accordance with this Principle.
7. All States and enterprises must reduce their GHG emissions to the extent that they can achieve such reduction without relevant additional cost. Relevant measures include switching off power-consuming equipment when not in use; eliminating excessive power consumption where possible, including for heating, cooling and lighting; promoting, to the maximum extent possible, measures that will reduce the need for consuming energy, such as improved insulation of buildings and improved efficiency of energy-consuming devices; elimination of broad fossil-fuel subsidies, including tax exemptions for certain industries, such as air transportation.
8. States and enterprises must refrain from starting new activities that cause excessive GHG emissions, including, for example, erecting or expanding coal-fired power plants, without taking countervailing measures, unless the relevant activities can be shown to be indispensable in light of prevailing circumstances, as might be the case, in particular, in the least developed countries. If the new activities are shown to be indispensable, a least developed country is obligated to opt for less GHG-emitting new activities only if and to the extent that developed countries or other entities provide the relevant least developed country with the additional means to meet this obligation.
9. Developed and developing countries, as well as enterprises, must take available GHG- reduction measures that entail costs if the costs will be offset through future savings or financial gains. Least developed countries and local enterprises in least developed countries have the same obligation to the extent that other entities provide the financial and technical means required without imposing more than a minimal financial burden on the relevant least developed countries or enterprises.
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10. Any entity to which an obligation in these Principles applies has flexibility in selecting the measures it uses to meet this obligation, if the measures chosen, in their totality, achieve the legally required result, as described in these Principles.
11. No Country or enterprise is relieved of its obligations under these Principles even if its contributions to total GHG emissions are small.
12. States and enterprises must comply with the obligations set out in these Principles even if relevant national law or international agreements, whether existing or later promulgated, set lower standards and, thus, would result in less reduction of GHG emissions.
B. Obligations of States
13. Every above-permissible-quantum country is required to reduce the GHG-emissions within its jurisdiction or control to the permissible quantum within the shortest time feasible. This obligation in no way diminishes the obligations set out under Principles 7, 8 and 9.
14. The obligations of States are common but differentiated.
15. Least developed countries do not have a legal obligation to reduce GHG emissions at their own expense. They are subject only to the duties set out in Principles 7, 8, and 9.
16. A country with GHG emissions close to the permissible quantum is not obligated to reduce its emissions to the permissible quantum if and to the extent that doing so would create undue hardship, considering, in particular, the country’s historical GHG contributions, its capabilities in terms of its wealth, its needs, its dependence on fossil fuel, and its access to renewable energy.
17. Because the permissible quantum will decrease as time progresses, a below-permissible- quantum country producing emissions close to the permissible quantum should refrain from increasing the level of its GHG emissions, unless so refraining would cause undue hardship.
18. If and to the extent that an above-permissible-quantum country has taken all steps reasonably available but nevertheless has failed to fulfil the obligations in Principle 13 or, as appropriate, Principle 15, that country must provide financial or technical means to below- permissible-quantum countries to achieve the reduction of GHG emissions that the responsible above-permissible-quantum country has failed to achieve. The receiving country must use these means for GHG-reduction purposes. Both countries have a joint responsibility to ensure that the support provided, whether financial or technical, is not used for other purposes, although such support may provide benefits in addition to GHG reduction. On the request of a State that has provided technical or financial means to another State to achieve GHG reductions, the receiving State must provide information to allow the supporting State to determine whether the support was used to achieve the intended purpose. Reductions brought about through such financial or technical support shall count as reductions for the State that has provided the financial or technical means and not as reductions for the receiving state.
19. The global reduction of GHG emissions required to ensure that the global average surface temperature increase never exceeds pre-industrial temperatures by more than
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2 degrees Celsius, according to estimates based on the Precautionary Principle, may be impossible to achieve without additional reductions by above-permissible-quantum countries.
  1. If that is the case, those countries must, to the extent reasonably possible, reduce their emissions enough to ensure the global average temperature increase does not exceed the stated level.
  2. If such additional contributions do not suffice to meet the obligation to ensure that the global average surface temperature increase never exceeds pre-industrial temperature by more than 2 degrees Celsius, as set forth by Principle 6, below- permissible-quantum countries must reduce their emissions to the extent necessary to achieve that result. Unless such a country is a developed country, this obligation applies only if and to the extent that developed above-permissible-quantum countries or other entities provide the relevant country with the means to meet this obligation.
20. States must make their best efforts to bring about lawful and appropriate trade consequences for States that fail to comply with the obligations set out in these Principles.
21. States shall refrain from providing new subsidies, aid, credits, grants, guarantees, or insurance for installation of major new facilities or major expansion of existing facilities that will result in the emission of unnecessarily high or, in the given circumstances, unsustainable quantities of GHG, either within or outside their territories. For a least developed country, there may be an exception to this requirement if choosing more efficient facilities would be unduly burdensome for that country.
22. A State that fails or is reasonably likely to fail to meet its obligations shall, without prejudice to the imposition of possible consequences for such failure or impending failure, initiate or support research designed to identify and develop means to reduce GHG emissions.
23. Neither high cost nor the lack of financial means can, alone, excuse a State’s failure to meet its obligations to achieve GHG reductions or constitute a defence against legal sanctions that may be imposed as a consequence of such a failure. To avoid such sanctions, a State must show excessive hardship or extraordinary circumstances beyond the State’s control that have prevented the State from meeting its obligations.
24. States must regulate GHG-emissions in their jurisdictions or under their control to meet their obligations set forth in these Principles.
C. Procedural Obligations of States
25. States must accept the jurisdiction of independent courts or tribunals in which the State’s compliance with its obligations as set forth in these Principles can be challenged and adjudicated.
  1. States must participate in these proceedings in good faith and ensure that such proceedings are fair and efficient.
  2. In such proceedings, the State whose compliance with its obligations has been challenged must fully disclose the ways in which it has effected compliance in order to enable the court or tribunal to determine whether the State has complied with the relevant obligations and, where it is found the State has not complied, to determine the extent and nature of the State’s failure to comply.
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26. Each State must make available information that is necessary to enable persons within its territories to assess the risks to their lives and health that climate change poses.
D. Obligations of Enterprises
27. Enterprises must assess their facilities and property to evaluate their vulnerability to climate change; the financial effect that future climate change will have on the enterprises; and the enterprises’ efforts to increase their resilience to future climate change. Enterprises must publicly disclose this information and ensure, in particular, that it is readily accessible to those who are or are likely to be directly or indirectly affected by their activities, including investors, clients, and securities regulators.
28. An enterprise whose activity includes fossil-fuel production must assess the impact that any limitations imposed on future extraction or use of fossil fuels, consistent with the “carbon budget” concept enunciated by the Intergovernmental Panel on Climate Change and others, will have on its financial situation. The enterprise must disclose this information to investors, securities regulators and the public.
29. Before building any major new facilities, enterprises must conduct environmental impact assessments. Such an assessment must include an analysis of the proposed facility’s carbon footprint and ways to reduce it and the potential effects of future climate change on the proposed facility.
30. Enterprises in the banking and finance sectors should take into account the GHG effects of any projects they consider financing.
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Annex
These principles were prepared by an Expert Group on Global Climate Obligations, which consisted of the following members:
Antonio Benjamin, Justice, High Court of Justice of Brazil
Michael Gerrard, Andrew Sabin Professor of Professional Practice and Director, Sabin
Center for Climate Change Law, Columbia University Law School
Toon Huydecoper, retired Advocate-General of the Netherlands Supreme Court
Michael Kirby, retired Justice of the High Court of Australia
M.C. Mehta, advocate before the Supreme Court of India
Thomas Pogge, Leitner Professor of Philosophy and International Affairs and founding Director, Global Justice Program, Yale University
Qin Tianbao, Professor of Environmental and International Law and Assistant Dean for International Affiliations, Wuhan University School of Law
Dinah Shelton, Manatt/Ahn Professor of International Law, George Washington University and Law School, and Commissioner and former President, Inter-American Commission on Human Rights
James Silk, Clinical Professor of Law, Allard K. Lowenstein International Human Rights Clinic, and Director, Orville H. Schell, Jr. Center for International Human Rights, Yale Law School
Jessica Simor QC, barrister, Matrix Chambers, London
Jaap Spier,* Advocate-General of the Netherlands Supreme Court and Honorary Professor,
Maastricht University Faculty of Law
Elisabeth Steiner, Judge, European Court of Human Rights;
Philip Sutherland, Professor, Stellenbosch University Faculty of Law
* Rapporteur of the Expert Group on Global Climate Obligations
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Sunday, 19 October 2014

Do I have Ebola Virus or a Hangover?


I feel hot. my head aches, I'm sweating, my muscles and joints ache, my throat is sore, and I can't seem to move. Am I sick?

The planet is warmer than it used to be, has heavily polluted oceans and atmosphere, is experiencing sea-level rise and Arctic sea-ice decline, is losing forests and biodiversity, seems to be experiencing more extremes of weather (in impact, if nothing else). Is it sick?

There are good reasons why doctors accumulate evidence before proceeding to diagnosis, even while sometimes treating symptoms. Two things are important: context and range of symptoms.

Why context? Take the first example. If I've been working as a nurse in a hospital in Liberia and I exhibit the symptoms described, one potential diagnosis which requires evaluation is the Ebola virus. Which would be bad.

On the other hand, if I played rugby yesterday in heavy rain, in the scrum, drank ten pints of beer afterwards during a lively singalong in the clubhouse, then walked home, and haven't been anywhere near West Africa or anyone who has been there recently, I might well describe the same symptoms to my doctor, but the diagnosis is most likely to be that a) I'm hung over, b) I'm too old to play serious rugby in the scrum and should know better - how do I expect my body to react? and c) Even if you are too drunk to feel it, walking home in just a shirt in forty degrees may have stimulated a reaction.

It is not just important to look for the context, it is essential. To answer the question 'why' requires proper investigation.

Why range? If I describe just one of those symptoms, say a sore throat, with none of the others, there could be several explanations or diagnoses, but hundreds can be eliminated because the symptom is not tied to any others. A sore throat and a headache might suggest a head cold. Add a temperature and aching muscles, perhaps influenza. Even with a large range of symptoms, placed into a context, a likely explanation is reasonably easy to find.

So, to Climate and the internet. There are very good reasons why it is important to gather evidence for a range of global conditions before attempting a diagnosis. Isolating one element is not very helpful, and cannot provide enough information on which to make any secure conclusions. One way to check out the 'records' is to use the IPCC assessment summaries, since they provide a reduction to readable size of a huge amount of very diverse information.

But you will very often see people arguing about, for example, whether the global temperature record is reliable, or if it is showing that the world is warming, or if the physics of AGW is a reasonable explanation. The reason that many of these people try to focus a reader's attention on any one of the possible 'problems' with the world and attempt to cast doubt on it's validity is because anyone who looks at the big picture cannot possibly be fooled.

As soon as anyone with a reasonable degree of intelligence looks at the range of evidence- the symptoms of the health of the world's natural and human systems - it becomes clear that there are a lot of bad signs in all sorts of places, that there are long-term persistent trends in many diverse measurements (the distribution of beetles, the volume of Arctic sea ice, global ocean temperatures, etc etc) -in other words, that the World is sick.

So it is extremely rare to see any genuine 'climate sceptic' looking at all the evidence. Or any of the evidence. Most often, what you will see is a recycled meme picked up second hand and spouted without thought as demonstration (as often as not) of a person's political or metaphysical world-view (okay, I'm being generous here).

So here is a suggestion. When you read a comment stream or argument on the web, ask yourself - is there more than one 'symptom' at question, or a 'single issue' focus? If someone is insisting on dealing with a specific 'fact' (often, these are actually false anyway), ask yourself (or them) whether they are seeing the big picture.

It's not about whether this year is warmer than last year in Alaska, or whether there is more or less ice than the long-term average this year in the Arctic, or whether any one scientist or another is correct. It is, and you know it is, much, much bigger than this.

Friday, 26 September 2014

Side note


Any one like to speculate what this graph shows and where it comes from?

Details and credits later...



Well, I'm disappointed by the lack of interest. It comes from here:
Millennial minimum temperature variations in the Qilian Mountains, China: evidence from tree rings
Y. Zhang1, X. M. Shao1, Z.-Y. Yin1,2, and Y. Wang1
1Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2Department of Environmental and Ocean Sciences, University of San Diego, San Diego, CA 92110, USA

Abstract. A 1343-year tree-ring chronology was developed from Qilian junipers in the central Qilian Mountains of the northeastern Tibetan Plateau (TP), China. The climatic implications of this chronology were investigated using simple correlation, partial correlation and response function analyses. The chronology was significantly positively correlated with temperature variables prior to and during the growing season, especially with monthly minimum temperature. Minimum temperature anomalies from January to August since AD 670 were then reconstructed based on the tree-ring chronology. The reconstruction explained 58% of the variance in the instrumental temperature records during the calibration period (1960–2012) and captured the variation patterns in minimum temperature at the annual to centennial timescales over the past millennium. The most recent 50 years were the warmest period, while 1690–1880 was the coldest period since AD 670. Comparisons with other temperature series from neighbouring regions and for the Northern Hemisphere as a whole supported the validity of our reconstruction and suggested that it provided a good regional representation of temperature change in the northeastern Tibetan Plateau. The results of wavelet analysis showed the occurrence of significant quasi-periodic patterns at a number of recurring periods (2–4, 40–50, and 90–170 years), which were consistent with those associated with El Niño–Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO) and solar activity. The comparison between the reconstructed temperature and the index of tropical volcanic radiative forcing indicated that some cold events recorded by tree rings may be due to the impact of tropical volcanic eruptions.

I'd have thought at least someone would have been interested enough to note that here is yet another Palaeo study, showing yet another 'hockey stick', but absolutely, entirely and unequivocally distinct from previous studies done anywhere, including the USA.

Might some people find this 'inconvenient'?

Friday, 5 September 2014

Why has Hansen become an 'Advocate'?

One of the reasons its been quiet here is because yours truly has been busy mixing it at the Guardian. Occasionally, the odd little gem has poppped out of the cabbage patch and been reasonably well received.

Just now, someone else left a post on a John Abrahams article (here) which I felt the need to respond to. I'm quite pleased with the result, so here are the two comments:

Smith1867
In truth, I prefer the harder science, but frankly these do not get as many page views as the debunking posts.
Is how many page views your blog posts receive what you are interested in? Is that the primary reason for your participation in this blog? If so, then by all means follow more closely to your colleauge's approach. But beware that that is not a scientific blogging approach so much as it is a publicity approach in a sciency genre. Not really science communication in even a loose sense of the term.
A problem for all science communicators and the public who are their target, is that their scientific credentials are often projected onto their activist writings. Take Dr. Hansen for instance, a brilliant and well qualified atmospheric physicist he may well be, however his advocacy for, or protest against any given solution to the technical problem which is high atmosheric CO2 concentrations is no more qualified than any other intelligent layman. He is not a politician or an economist and solutions for the CO2 problem all require considerable expertise in these arenas. However, more often than not he is awarded the respect he has earned as a scientist for his socio-economic/political solutions. We are told we are not listening to "science" if we do not agree with his proposed solutions. Yet when discussing his solutions his scientific credentials hold no more weight than anyone else who accepts the concensus scientific position on AGW.
So you have to ask yourself, is this blog about science communication, which you are well qualified to author? Or is this blog about advocacy for or protest against highly complex socio-economic/political solutions, which you are no more qualified to author than any other intelligent layman?
If you choose the later, just remember that you are not communicating science and cannot project your scientific expertise onto your opinions about other matters.
  • Fergus Brown Smith1867
    First, I think it is important to point out that the blog is a part of John's journalistic work, into which his science work feeds. As a journalist, he needs to earn his crust by bringing an audience into the Medium that pays him, so hits matter.
    On the main points you make: Let's say for arguments' sake that you, a scientist, along with a number of colleagues, spend several years working on a hypothesis and reach the conclusion that it really is likely to change the World as we know it, and furthermore, that the consequences could be devastating, and beyond this, that a certain course of action could reduce risks and harm considerably.
    So, of course, you publish. Then, for twenty years, nobody does anything about your findings apart from whinge and get abusive. The evidence mounts up, but the clock is ticking. Your original conclusions have been validated many times over, but still nobody seems to want to do anything to stop the harm or the potential devastation.
    So, what do you do?
    Firstly, as a scientist, you keep on proving your point, testing your work, and keeping up to date. You develop some kudos. Then, as a human being, you start advocating loudly and publically. Because talking about it scientifically and reasonably didn't work. But it still matters. It matters more than ever. So you shout, you protest, you publish, you lobby, and you do everything in your power to get the message across that this is serious, and it ain't gonna go away.
    No, bollocks. If it was me, I would have lost my patience years before Hansen did. Any normal, rational human being would do the same.
    Along with which, I'd get really pissed off with people who told me I had no right to meddle in politics or that my opinions had no validity.
    I think I've made my point...

Thursday, 28 August 2014

On the impossibility of dialogue

In the busy thread below, this extended comment appeared. It contains some thinking which requires extended response, so I’ve done a lift and here it is up front.

The context is that the correspondent is a regular presence on the internet, commenting on climate change and global warming. His view and mine are different.

In the comment, he tries to explain why he thinks the way he does, to which I offer my efforts to understand.

Please note that his first language is not English, and make allowance that some of the expressions, which might sound abrasive, may be a function of linguistic difference, not necessarily aggression.

Here we go:

Let me suggest something: Pull back and consider that I am convinced you act in good faith and are honest, but you have been brainwashed.
I too have been brainwashed. The only difference is that I´m aware of the brainwashing and you seem to be oblivious (like 99 % of the population).

This is not a promising start. You set out by claiming your intellectual superiority to me, in that you have a privileged (and superior) epistemic status, because I am not aware that the world as I understand it is relative. I might be inclined to disagree with this.

The brainwashing isn´t the result of an overarching conspiracy. Some of it is genetic, some of it is deeply ingrained culture, some is early education, and some of it is impressed on you by the media, your friends, and your enemies.
Being brainwashed seems to be a positive survival trait in homo sapiens. Although many brainwashed populations were defeated and driven to extinction, others which practiced brainwashing as a higher art form, or got a bit luckier seem to have survived more often thanks to this brainwashing, which aligned most of society with the leadership, and moved them to perform as requested.

This is somewhat helpful. You are trying to describe your hypothesis, that our perception of reality is conditioned. In particular, you emphasise the social context of individual development (or call it the means by which I form my Weltanschauung (‘World-view’).

Thus my position is that a lot of what we believe is real isn´t really there. As my grandchildren would say, it´s all bogus.

Though your expression is a little clumsy, what is coming out seems to be a much simplified version of the ideas of Paul Feyerabend, for example, in ‘Against Method’. Feyerabend’s views are well summarised in Wkipedia (here).

So how does this impact the way I absorb information about global warming? First, I know there are actors trying to manipulate me to behave in a certain way. Why? Because whenever an issue arises which involves government decisions, subsidies, taxes, putting a drilling rig on the public library grounds, and moves like that I have to be manipulated to accept such decisions.

The position gets a bit more complicated here. This is because you introduce the Political realm. What you seem to be saying is that the information which is available about global warming has the same epistemological status as the information which we get from politicians or their employees. I think some people might object to this.

Do you see why you really can´t change my mind? As far as you are concerned I´m a ghost. I live in a different universe. You are trying to debate global warming, and I debate the way "they" manipulate us.

A part of the complexity is that you seem to have thoroughly mixed your resistance to political manipulation and your view of the nature of scientific endeavour. To you, these are manifestations of the same phenomenon – the untrustworthiness of given knowledge – and therefore they are the same thing. You reject Science as a whole, wholesale.

And why do you think you avoided the subject when I tried to use Kosovo and Iraq as talkng points? Because your comfort zone is in global warming and the associated science. You want to feel comfortable surrounded by your friends, sitting in a tall stone tower from which you can fling arrows and stones at the enemy trying to scale your walls.

Here, you are making presumptions about me which are not justified. I avoid discussing Kosovo or Iraq because I do not believe I have sufficient knowledge or understanding to comment on these subjects; I have no expertise or opinion which I trust.

And your characterisation of me in the second sentence is laughable. I have spent considerable time addressing your point of view and defending your right to express yourself, even when you have been illogical and inconsistent, yet you accuse me of attacking you. If you still see me as your enemy I would suggest that the problem lies not in my attitude but in yours. You have already decided that we must be enemies, so I cannot have any understanding of you or any human compassion. This means I cannot win. Your mind is closed to my humanity and identity; to you, I am just ‘one of them’. So who is acting in bad faith, you, or me?

On the other hand, I see this behavior as normal, quite human, and also misguided.
How very patronising and wise of you.
Almost everybody is the same. And this is why in the 21st century we see children being slaughtered with laser guided bombs in Palestine, and we look the other way. We have been brainwashed to accept this, and we can´t even bring ourselves to discuss it. And the odds are this post may even be censored, isn´t it?

Since I have both permitted every statement you have made on this blog, and defended your right of comment, even when it pushed libellous status, you have no grounds whatsoever to imply I might censor you, so this is just a personal insult.

To sum things up as best I can. You claim to be my intellectual superior. You set out a view of how the world (of understanding, or knowledge) is constructed. In this, you explicitly reject Science wholesale; to you, it is just as much in error as political propaganda. You frequently draw parallels between political events and scientific knowledge. You then remind me of why I am ignorant and accuse me first of being your enemy, then of repressing you, in spite of the visible contradiction of these in this blog.

Where does this leave me? If, as you say, all science is deception, then we cannot talk about science – not at all – by your terms there is nothing meaningful to say about it. But neither can we talk about anything which we might think of as being a shared human experience. So we cannot have any dialogue. Besides this, you have demonstrated that you do not respect me as an individual or as a human being; in particular, to you I am an inferior being. So you deny me any motivation to continue the effort to engage with you. Finally, you have established that, whatever I say and however I say it, you have determined that I am your enemy. I don’t need enemies, I want friends.

In conclusion, by your terms and rules, since there is nothing ‘true’ to say about science, every comment you make on science is a piece of hypocrisy. Furthermore, on your terms, nobody understands how things really are better than you, so you will never consider the possibility that you might be wrong, or the possibility that anyone else might have anything valid to say. This, too, given your views on propaganda, is hypocrisy. You deny the subject, the means, and the motivation to engage in dialogue. You have determined that discourse is impossible, so, unless you give me some reason to believe otherwise, I can do nothing better than remain silent.


For now, that is all I have to say on the subject.

Wednesday, 27 August 2014

Whistling at a different pitch

Having exorcised Mrs Merkl’s Swabian housewife, let’s get back to some more thinking.
I want to explore a sample explanation of why the Farmer and the Cowboy can’t be friends. Obviously, this is apropos of my concern over the effective communication of climate issues and environmental issues in general.
We recently discussed Truth – it’s easy to agree that this takes us in tricky directions. It can be hard to agree what makes a truth, and hard to agree the specific cases of whether something is true or not. So I’m going to move the focus on to the notion of Understanding, instead.
However and whatever forms of ‘knowledge’ we acquire (or, reducing it further, form of meaningful communication with which we agree), we tend to come to an understanding of reality, truth, fact, whatever, from two distinctive and often contradictory ways of understanding things. This is what Wikipedia says about Reason:
Reason is the capacity for consciously making sense of things, applying logic, for establishing and verifying facts, and changing or justifying practices, institutions, and beliefs based on new or existing information.[1] It is closely associated with such characteristically human activities as philosophy, science, language, mathematics, and art, and is normally considered to be a definitive characteristic of human nature.[2] The concept of reason is sometimes referred to as rationality and sometimes as discursive reason, in opposition to intuitive reason.[3]
Reason or "reasoning" is associated with thinking, cognition, and intellect. Reason, like habit or intuition, is one of the ways by which thinking comes from one idea to a related idea. For example, it is the means by which rational beings understand themselves to think about cause and effect, truth and falsehood, and what is good or bad. It is also closely identified with the ability to self-consciously change beliefs, attitudes, traditions, and institutions, and therefore with the capacity for freedom and self-determination.[4]

You’ll note that the article distinguishes between DISCURSIVE and INTUITIVE reason. This is what the Wiki says about Intuition:
Intuition is the ability to acquire knowledge without inference or the use of reason.[1] The word intuition comes from Latin verb intueri which is usually translated as to look inside or to contemplate.[2] Intuition is thus often conceived as a kind of inner perception, sometimes regarded as real lucidity or understanding. Cases of intuition are of a great diversity; however, processes by which they happen typically remain mostly unknown to the thinker, as opposed to the view of rational thinking.
Intuition provides views, understandings, judgements, or beliefs that we cannot in every case empirically verify or rationally justify. For this reason, it has been not only a subject of study in psychology, but also a topic of interest in various religions and esoteric domains, as well as a common subject of writings.[3] The right brain is popularly associated with intuitive processes such as aesthetic or generally creative abilities.[4][5][6] Some scientists have contended that intuition is associated with innovation in scientific discovery.[7]
Both Reasoning and Intuition are legitimate ways of reaching understanding. Further, there is often reasoning embedded in intuition, and intuition likewise informs reasoning.
Science in general, say Mathematics as a paradigm, is basically rational; it has rules, structure, processes, precedents and checks. Without necessarily being complete or absolute, Mathematics is a profoundly rational activity. If you have learned the rules and the conventions, you can apply them to any number of problems of increasing complexity. It is largely consistent and logical. The ‘truths’ of Mathematics are results derived from within the syntax and semantics of the system, and their value is a function of their formulation, which is neither arbitrary nor contradictory. In other words, within Mathematics, 2 + 2 always = 4. The only way you can change this ‘truth’ is to change the rules or convention by which you understand the expression.
On the other hand, many people have an understanding of their world from an intuitive perspective, of which religion is an example. Let’s consider Buddhism as the paradigm. A person who ‘understands’ the underlying truths in Buddhism, the ‘Four Noble Truths’, does not necessarily understand them in a consciously rational manner. But this does not imply that her understanding is inferior to the understanding of a mathematician of the truth of the axioms of number or addition.
These are different ways of ‘understanding’. But they may not be quite so contradictory as you might think. For example, to reach a new solution or hypothesis, the mathematician may well start by having an intuition that something is wrong, that a certain type of procedure might correct the error, or have an insight into the nature of a problem which informs new possible resolutions. And the four noble truth of Buddhism can be laid out in a strictly formal logical ‘proof’, which suggest that, though understanding them may be intuitive, their meaning has a formal structure which allows them to make sense to our thoughts.
Religions have a long history of Reasoning associated with them in East and West. Some of the great thinkers in history were dealing with problems arriving not from science, but from a religious, intuitive source. But many religions also recognise, implicitly or explicitly, that understanding, or wisdom, about the world in the context of the religious system concerned, comes to the individual from a deep personal insight or understanding. Furthermore, this understanding is often opaque to communication; ‘The way that can be spoken of is not the true way’. Can we argue that wisdom is impossible under these conditions? Can we argue that the understanding of the Buddha is a false understanding? We can’t, for two reasons; firstly, because we have not nor can we ever strictly reach the same understanding that the Buddha has. Our insight must be our own, a personal understanding which might parallel what we have learned or experienced. Secondly, because the full detail of the nature of the understanding is beyond language (any language); it is a lived experience.
What am I getting on to? Well, obviously, people ‘understand’ Global Warming in different ways. A lot of people reach their understanding by reasoning, analysis, interpretation and evaluation of evidence, argument, and by testing the mechanisms and processes. Why would anyone look at it any other way?
I am speculating that one of the reasons why people might look for a different way of understanding Global warming is because they don’t trust what science is. Sometimes, the contradiction of the science is simply fuelled by ignorance – it is easy to distrust what you don’t understand, especially if you feel threatened by it. Sometimes a person can have such a strong negative prejudice about a message that they choose to contradict irrespective of understanding – this is why such behaviour is often labelled as ‘denial’.
But there are other people who are otherwise reasonable who turn away from the evidence and the arguments because they believe that science is something they cannot trust.
The problem is, Science is an institution as much as anything else. It works in relation to rules and conventions, exists within other institutions, is paid for by institutions. Science, it seems, has authority because it is an Authority – in this sense, it is a part of the ‘System’. More than this, Scientific argument is often derived from an apparent appeal to authority –precedence, existing assumptions, previous work, peer-review. It is an ‘Institution’ par excellence.
And a lot of people don’t trust Authority, They don’t trust Institutional models or processes, they see an underlying circularity in the self-justifications of scientific ideas, and they believe that, since Science is about authority, it suffers from the same weaknesses as other forms of authority.
This association is the problem. A person who is consistently ‘let down’ by a social or legal system, who is not protected but persecuted, who experiences injustice or repression at first hand by the hand of the System, learns in real experience that Authority and The System are inherently untrustworthy. This understanding is intuitive as well as evidential, so it has a strong force in the understanding. For such a person it is probably quite natural to mistrust and be cynical about anything which makes claims to authority. The natural default based in the understanding which exists is that first you assume the authority is either wrong or is lying, then you assume the authority has a self-serving intent and is indifferent to you, and is therefore fundamentally corrupt.
For young people, who often have an innate mistrust of the system in some form, or for those whose experience has led them to believe that no-one can be trusted, asking them to see things from a rational point of view has limited use. It is not the way their understanding has been formed. For ignorant people with strong prejudices it has no use, because they cannot even acknowledge the possibility that another understanding can exist at all. But it doesn’t mean that discussion is impossible.
Even the most intuitive person recognises the underlying formal structures which allow meaningful discourse to happen. They can accept the idea that an effect must have a cause, that if you add something to something you end up with something ‘more’. An ‘intuitive understander’ can be quite sophisticated, and even see the logical inconsistencies of their understanding. Simple logic and simple reasoning can work within a discourse to the point where a person can recognise contradictions and inconsistencies and acknowledge that these might undermine their understanding, so that, even if they sustain their understanding from intuition, they can agree that their understanding is irrational. It doesn’t mean, to them, that they are wrong.
So, can the Farmer and the Cowboy ever be friends? I would suggest yes, this is possible, but first they need to accept that what is already understood does not rest on mutually agreed conventions. But for a discourse to happen at all, there must be the possibility of logic. To start a discourse, to establish the conventions and terms of dialogue, the most important thing is to listen first, and avoid passing judgment based on your own conventions or understanding.
Possibly there will be more on this later, it depends.