Showing posts with label Environmental issues. Show all posts
Showing posts with label Environmental issues. Show all posts

Monday, July 12, 2021

Can historical injustice be redressed?

 


This question arose as I was reading about the theme of this year’s NAIDOC week. NAIDOC week, held this year from 4-11 July, celebrates the history, culture, and achievements of Aboriginal and Torres Strait Islander peoples.

The theme for NAIDOC week this year is “Heal Country”. The role of traditional management practices in protecting land from bushfires and droughts is mentioned specifically as part of the theme, but “country” encompasses all aspects of Indigenous culture.

The NAIDOC committee explains that “Healing Country means embracing First Nation’s cultural knowledge and understanding of Country as part of Australia's national heritage”. Australians, from all walks of life, have shown increasing concern to protect Indigenous cultural heritage. For example, when a mining company blew up an aboriginal sacred site in Western Australia last year, I found myself among the many people who felt that something significant to Australia’s national heritage had been destroyed.

The NAIDOC committee mention redressing historical injustice specifically:

“To Heal Country, we must properly work towards redressing historical injustice.”

However, that follows a statement implying that fundamental grievances would not vanish following “fair and equitable resolution” of “outstanding injustices”:

“In the European settlement of Australia, there were no treaties, no formal settlements, no compacts. Aboriginal and Torres Strait Islander people therefore did not cede sovereignty to our land. It was taken from us. That will remain a continuing source of dispute.”

Working toward redressing historical injustice will not extinguish fundamental grievances. It would be naïve to expect that it would. Few humans find it easy to let go of their grievances, even when they accept that their personal interests would be better served by viewing historical events as “water under the bridge”.

Some readers may be thinking at this point that it is futile to attempt to redress historical injustices if such attempts cannot prevent those injustices from being viewed as an ongoing source of “grievances”. I don’t concur with that view. As I see it, the central issues of concern in redressing historical injustices are about justice, or fairness, rather than about attempting to assuage ongoing feelings of grievance felt by descendants of victims.

Historical injustice to Indigenous Australians stems from the failure of governments to recognize and protect their natural rights following colonization. It is arguable that current governments have an obligation to remedy adverse consequences flowing from the failures of their predecessors.

However, it is no easy matter to assess the extent to which opportunities currently available to Indigenous Australians have been adversely affected by historical injustices. A better understanding of history is a necessary step in the direction of any such assessment. It is pleasing to see the NAIDOC committee express the view:

“While we can’t change history, through telling the truth about our nation’s past we certainly can change the way history is viewed.”

The truth includes dispossession of land over much of the country, but it is difficult to generalize about what followed. Jim Belshaw, who knows more about history than I do, describes it recently as involving “uneasy co-existence, resistance and then survival and now, hopefully, recovery”. Even those broad stages might not be equally relevant in all parts of the country.

The truth also includes the existence of the “grave social and economic disadvantage”, referred to by the NAIDOC committee, but that cannot be wholly attributed to historical injustices.

As discussed in my recent book, Freedom, Progress, and Human Flourishing, there has been massive growth of opportunities for human flourishing over the last 200 years in Western liberal democracies, including Australia. I suggest in the Preface:

“Those of us who have the good fortune to live in Western liberal democracies have opportunities that we might crave if we lived elsewhere in the world”.

I think that applies to the Indigenous people of Australia as well as to other Australians. The opportunities we all currently enjoy should be sufficient to offset any ongoing social and economic consequences of injustices suffered by our ancestors.

So, how can I explain the relatively poor social and economic outcomes of many Indigenous people in Australia? It seems to me that anyone seeking the truth about this should consider the adverse consequences over the last 50 years of extending unemployment benefits and other welfare support to Aboriginal communities in remote areas. Ongoing social and economic disadvantage may be strongly linked to well-meaning efforts during the 1970s to remove discrimination against Indigenous people in access to government welfare support.

That is not a novel idea, but governments have found it difficult to implement welfare policies with more appropriate incentives. There has been little progress toward “closing the gap” in social and economic outcomes. Hopefully, greater involvement of local communities will result in better outcomes in future.

In my view, as discussed in Freedom, Progress, and Human Flourishing, the flourishing of humans is intrinsically a matter for individual self-direction, rather than something to fostered by human development experts, or social planners. Social and economic context influence opportunities available, but the capacity of individuals for wise and well-informed self-direction is of central importance to their own flourishing. It is inspiring to see increasing numbers of Indigenous Australians achieving outstanding success in their chosen fields, despite injustices suffered by their ancestors and the limited opportunities currently available in their local communities.


Sunday, July 4, 2021

Does Kahlil Gibran's prophet present an inspiring view of human flourishing?

 


The Prophet, by Kahlil Gibran, seems designed to appeal to people who are looking for inspiration. That is why I have dipped into it at various times in the past – and it may explain why I have previously put it aside after reading one or two of the 26 poems it contains. My mind does not seem to be capable of being inspired more than a few mystical messages at a time.

The Prophet, published in 1923, made Kahlil Gibran the best-selling American poet of the 20th century. I have previously thought of Gibran as a Lebanese poet and artist, but he apparently lived most of his life in America. Although The Prophet was hugely popular, its “earnest, didactic romanticism” found little favour with America’s literary critics.

While dipping into the book recently, it struck me that Gibran had been successful in reaching a large audience because he used mystical poetry to put words into the mouth of Almustafa, an imaginary prophet. That technique did not appeal to literary critics, but it helped make the messages seem profound to many other readers.

However, I have struggled to get a clear overall picture of the views Gibran was presenting. In an attempt to come to grips with the main themes, I have identified what seems to me to be the main idea in each of the 26 poems and then allocated each idea among the following six categories: physiological needs, personal relationships, psychological well-being, self-direction, living in harmony with nature, and transcendence. The first five of those categories correspond broadly to the basic goods of a flourishing human, as identified in my book, Freedom, Progress, and Human Flourishing.

What follows is a summary of what I see as the main ideas in the book. As far as possible, I have tried to use Gibran’s words.

The main ideas

Physiological needs

The activities involved in meeting basic needs should be seen to have a higher purpose. Eating and drinking has potential to be a process in which “the pure and the innocent of forest and plain are sacrificed for that which is purer and still more innocent in man”. Work has potential to be joyful, “love made visible”. Market exchange has potential to serve a higher purpose because “it is in exchanging the gifts of the earth that you shall find abundance and be satisfied”.

The “lust for comfort” can be harmful. A desire for comfortable housing “murders the passion of the soul, and then walks grinning in the funeral”. Those who seek the “the freedom of privacy” through excessive clothing “may find in them a harness and a chain”. It would be preferable to “meet the sun and the wind with more of your skin and less of your raiment”.

If we must measure time into seasons, “let each season encircle all the other seasons, and let today embrace the past with remembrance and the future with longing”.

Personal relationships

You should “let there be no purpose in friendship save the deepening of the spirit”. “When you meet your friend on the roadside or in the market-place, let the spirit in you move your lips and direct your tongue.” If love is accompanied by desire, let that desire be:

“To melt and be like a running brook that sings its melody to the night. To know the pain of too much tenderness.”

Marriage partners should give their hearts, “but not into each other’s keeping”:

“For the pillars of the temple stand apart, And the oak tree and the cypress grow not in each other’s shadow.”

Psychological well-being

“Some of you say, ‘Joy is greater than sorrow,’ and others say, ‘Nay, sorrow is the greater.’ But I say unto you, they are inseparable.”

If you “wonder at the daily miracles of your life, your pain would not seem less wondrous than your joy”.

If you want to know the secret of death, “open your heart wide unto the body of life. For life and death are one, even as the river and the sea are one.”

When you make gifts, “it is life that gives unto life - while you, who deem yourself a giver, are but a witness.” People have different motives for making gifts. Some “give and know not pain in giving, nor do they seek joy, nor give with mindfulness of virtue; they give as in yonder valley the myrtle breathes its fragrance into space.”

Self-direction

No teacher “can reveal to you aught but that which already lies half asleep in the dawning of your knowledge”. You seek self-knowledge because “your ears thirst for the sound of your heart’s knowledge”. … “And it is well you should.”

“Pleasure is a freedom-song.” … “Even your body knows its heritage and its rightful need and will not be deceived. And your body is the harp of your soul, and it is yours to bring forth sweet music from it or confused sounds.”

“Your reason and your passion are the rudder and the sails of your seafaring soul.”

People view the law in different ways. Some “delight in laying down laws”, yet “delight more in breaking them”. Some “see only their own shadows, and their shadows are their laws” because they stand “with their backs to the sun”. … But you who walk facing the sun, what images drawn on the earth can hold you?”

In order to be just it is necessary to look upon all deeds in the light of knowledge “that the erect and the fallen are but one man standing in twilight between the night of his pigmy-self and the day of his god-self.”

You can only be free “when you cease to speak of freedom as a goal and a fulfilment”.  … “And if it is a despot you would dethrone, see first that his throne erected within you is destroyed. For how can a tyrant rule the free and the proud, but for a tyranny in their own freedom and a shame in their own pride?”

You do not own your children: “They are the sons and daughters of Life’s longing for itself. They come through you but not from you, and though they are with you yet they belong not to you.”

Living in harmony with nature

[Respect for nature pervades the book, but the prophet is not asked a specific question about living in harmony with nature.]

Transcendence

When asked to speak of religion, Almustafa asks: “Have I spoken this day of aught else?” … “Your daily life is your temple and your religion. Whenever you enter into it take with you your all.”

When you pray, “God listens not to your words save when He Himself utters them through your lips.”

When you have spoken of beauty, “you spoke not of her but of needs unsatisfied”. “Beauty is not a need but an ecstasy” … “a heart inflamed and a soul enchanted”  … “beauty is life when life unveils her holy face. But you are life and you are the veil.”

“You are good in countless ways, and you are not evil when you are not good. You are only loitering and sluggard” …  “In your longing for your giant self lies your goodness: and that longing is in all of you.”

“To judge you by your failures is to cast blame upon the seasons for their inconstancy. … And though in your winter you deny your spring, Yet spring, reposing within you, smiles in her drowsiness and is not offended.”

Comment

There are at least two major themes in The Prophet.

One theme encourages readers to ponder how all aspects of their lives can be directed toward purposes beyond survival and personal comfort. Religious traditions have long promoted similar ideals.

Another theme is the importance of individual self-expression and self-development. Individuals are urged to recognize their own potential for good and to express that potential in their relationships with others.

I cannot defend all of the messages of Gibran’s prophet. However, I support the broad themes of his teachings, while recognizing that those themes are not original.


Thursday, August 13, 2020

Is it possible to have sensible policy discussions about climate change?

 

Development of public policy depends to a large extent on sensible public discussion to filter out stupid proposals.  Climate change is no exception. The problem is that instead of having sensible discussions a lot of people just accuse one another of being deniers or alarmists, and use political stunts to advance or defend stupid policies.

It is easy to get the impression that most people can be classed as either deniers or alarmists, but surveys suggest to me that such extremists make up a relatively small proportion of the population of most countries. How many people get classified as deniers and alarmists is obviously influenced by the way these concepts are defined.

It makes sense to classify people as “deniers” if they claim climate change is “not a threat”. A survey by the Pew Research Center conducted in 2018 found that the percentages saying that climate change is not a threat vary substantially among the 26 countries included, from 21% in Nigeria to 3% in France and South Korea. Corresponding numbers were 16% in the U.S., 9% in Australia and 4% in Sweden.

The Pew survey found that in most countries a majority viewed climate change as “a major threat”, but it would be an exaggeration to label all those as alarmists. The people I describe as alarmists tend to say things like: “It is already too late to avoid the worst effects of climate change”. An international poll by YouGov, taken in 2019, found that people who say that vary from 20% of the population in France to 4% in Oman. Corresponding numbers were 10% in the U.S. and Australia, 8% in Sweden, 11% in Britain, and 6% in China.

False alarm

I was prompted to attempt to get a handle on the percentages of deniers and alarmists by my reading Bjorn Lomborg’s latest book, FalseAlarm: How climate change panic costs us trillions, hurts the poor, and fails to fix the planet. Lomborg sees climate change alarmism as a greater problem than denial. He suggests that the arguments of the deniers have been “thoroughly debunked” and approves of media refusing to give space to deniers. His main gripe is that media are “failing to hold climate alarmists to account for their exaggerated claims”.

However, it seems to me that different media outlets have different biases. Some pander to the prejudices of the noisy alarmists among their readers, while others pander to the noisy deniers. Unfortunately, the mass media no longer does much to promote sensible discussion of issues that have become politicized.

Lomborg’s book seems to me to advance a coherent viewpoint that could provide a basis for sensible discussion among people who are not wedded to extreme positions. His main points are as follows:

  • Climate change is real. The amount of CO2 in the atmosphere affects global temperature.
  • Global warming will have a negative impact on human well-being. Estimates of the likely damage from global warming by 2100 amount to a modest percentage of GDP (about 4%) if allowance is made for adaptation, fertilization (positive impacts of CO2 on crop yields and forest production) and the expanding bullseye effect (the tendency for more people to live in flood prone and fire prone areas).
  • If all nations met their promises under the Paris Agreement, that would have only a small impact on global warming.
  • With known technology and using the most efficient policy instrument to achieve Paris Agreement targets, the cost involved would be much higher (perhaps 3 times higher) than the expected benefits.
  • There is potential for research and development to reduce the cost of green energy alternatives to use of fossil fuels. However, governments are not meeting the commitments they have made to expand relevant R&D activities.
  • Carbon taxes and green energy innovation will not obviate the need for adaptation to a warmer climate over coming decades. Adaptation is a less costly option than attempting to reduce CO2 emissions to zero over the next few decades.
  • Geo-engineering is worth researching as a backup plan to be used as required, e.g. if the West Antarctic ice sheet starts to melt precipitately.
  • People in low-income countries will be better able to cope with the adverse impacts of climate change if they become wealthier. Holland and Bangladesh both have substantial areas of land below sea level, but Holland can afford infrastructure that enables it to cope better. 

 

My overall impression is that Lomborg has made a serious effort to focus discussion on things that are worth discussing. I have some reservations about his views, which I will mention below, but my initial focus is whether the book is generating useful discussion. I have found a couple of reviews by people who could be expected to challenge the argument that Lomborg advances.

Reviews

The first review is by Joseph Stiglitz, a Nobel prize winning economist. Stiglitz’s review was published in the New York Times. Rather than addressing the cost of current policies, Stiglitz appeals to an authority which he seems to view as infallible - an international panel chaired by himself and Lord Nicholas Stern – which apparently “concluded that those goals could be achieved at moderate cost”. I have not been able to find that conclusion in the report of his High-Level Commission, but I can’t claim to have read the document thoroughly. My brief reading left me with the impression that the costs will only be moderate if there is rapid progress in development of green technology. Stiglitz does not acknowledge that Lomborg advocates increased R&D for to promote more rapid development of green technology.

Stiglitz concludes by asserting:

Lomborg’s work would be downright dangerous if it were to succeed in persuading anyone that there was merit in its arguments”.

Rather than engaging in sensible discussion, Stiglitz seems to me to be intent on using polemics to defend alarmism.

Surprisingly, there has been more sensible review in “The Guardian”. That review is by Bob Ward, who is associated with the Grantham Research Institute on Climate Change at the LSE. Ward combines his review of Lomborg’s book with a review of Michael Shellenberger’s book, Apocalypse Never. Ward’s remarks are somewhat offensive - he labels the authors as “lukewarmers”, promoting a “form of climate change denial”. Nevertheless, he manages to acknowledge that they make legitimate criticisms of alarmism by environmentalists. He agrees that the world should be investing more in helping poor people become more resilient to climate change. He also expresses sympathy for the view that nuclear power has a role to play in creating a zero-carbon energy system.

My reservations

The main problem I see with Lomborg’s argument relates to the use of GDP as a welfare measure. As well as the usual problems in the use of GDP in this way, there is the additional problem that many of the costs of adaptation are counted as making a positive contribution to GDP. For example, infrastructure investment to build walls to hold back rising sea levels is counted as part of GDP. As such adaptation investment comes to represent an increasing share of total investment, it will crowd out other investments that have potential to enhance human well-being.

This line of reasoning reinforces the importance of R&D that has potential to reduce the cost of alternative energy and hence to reduce the cost of mitigation. If it becomes less costly to pursue greater mitigation over the next few decades, that can obviously reduce the combined total of damage and adaptation costs over the longer term.

My other reservation relates to something that is not central to Lomborg’s argument, as outlined above, but is difficult to let pass. It is his endorsement of the proposition that “if everyone does a little, we’ll achieve only a little”. That seems to me to promote unwarranted pessimism about the likelihood of success of the polycentric approach promoted by Elinor Ostrom.

In a paper presented to the World Bank in 2009, Ostrom suggested that rather than wait for national governments to take concerted action, the best way forward was multi-layered action by individuals and firms, as well as by local, state, and national governments. The polycentric approach is messy, but there are hopeful signs emerging that it is developing sufficient momentum to facilitate effective action. The individual actions of environmentally conscious individuals may not add up to much by themselves, but they seem to be inducing an increasing number of firms to modify their behaviour. Some firms are presenting an environmentally friendly image without doing much to back it up, but others seem to be actively planning for a carbon-free future. The announcement last year by the world's largest asset management firm, BlackRock, that it will put climate change at the centre of its investment strategy, seems to me to signify a substantial change in the way the game is being played. If enough firms adopt R&D, innovation and investment strategies based on expectations of a carbon-free future, those expectations will tend to become self-fulfilling.

Bottom line

Lomborg’s book is not likely to persuade many climate change alarmists (or deniers) to modify their views, but it provides a basis for the rest of us to have sensible discussions about policy options.

Tuesday, January 14, 2020

What determines opportunities for humans to flourish?



A series of recent articles on this blog has shown that some societies offer better opportunities than others for individuals to have the basic goods of a flourishing human. My aim in this post is to draw threads together to provide an overview of the links between the basic goods and determinants of opportunities to have those goods.

First, I will recap how the basic goods were identified.

Criteria
As explained in the first article in the series, I have adopted the criteria for the basic goods of “the good life” used by Robert and Edward Skidelsky: 
  • Universality: not specific to eras or cultures;
  • Finality: not just serving as a means to a more basic good;
  • Sui generis: not incorporated in some other good;
  • Indispensability: lack of the good leads to loss or harm.

Those criteria were developed by Skidelsky and Skidelsky in their book How Much is Enough (2012). Those authors also presented a list of basic goods that I used as a starting point for thinking about the items that should be regarded as basic goods.

The basic goods that I think a flourishing human could be expected to have are:
  1. The prospect of a long and healthy life.
  2. Wise and well-informed self-direction.
  3. Positive relationships with family, friends, colleagues, acquaintances and trading partners.
  4. Psychological well-being: emotional stability, positive emotion, satisfaction with material living standards, engagement in doing things for their own sake and learning new things, perception of life as meaningful, a sense of accomplishment, optimism, resilience, vitality, integrity, and self-respect.
  5. Living in harmony with nature.
I think my list is comprehensive and have given reasons why I think the items included on it are basic goods. Nevertheless, my perceptions of what it means to be a flourishing human are not incontrovertible.

Some items on this list could be grouped together. Longevity and psychological well-being are both aspects of health. Positive relations with other humans and living in harmony with nature are both aspects of relationships with other living things. However, I think the differences between the items concerned are large enough to warrant separate listing.

Links between the basic goods
The chart shown at the beginning of this post suggests that the basic goods are linked together as an integrated whole when a human is flourishing.

Wise and well-informed self-direction is of central importance. As discussed in the post on that topic, self-direction helps individuals to maintain other basic goods that are necessary to their pursuit of chosen goals.  The exercise of practical wisdom helps individuals to live long and healthy lives, maintain positive relationships, manage their emotional health, and live in harmony with nature.

Psychological well-being depends heavily on other basic goods. As noted in the post on psychological well-being, much of the international variation in life satisfaction scores can be explained by factors that are closely related to other basic goods that a flourishing human could be expected to have. 

The causal link between psychological well-being and self-direction runs in both directions. Sanity is necessary for wise self-direction.

The prospects for people to live long and healthy lives have always depended on living in harmony with nature. That is true even in the modern world. For example, the severity of damage resulting from bushfires recently experienced in Australia may be attributed to failure to have enough regard to living in harmony with nature. In addition to the immediate threat to life posed by the fires, may people have been adversely affected by smoke, which includes particulates that can be detrimental to long term health.

Determinants of opportunities to have the basic goods
Conclusions of the posts relating to each of the basic goods are outlined below.
  • Wise and well-informed self-direction: Individuals have strong incentives to learn how to make wise and well-informed choices in societies where there is a great deal of economic and personal freedom. They are likely to have easier access to relevant information in countries with relatively high skill levels.
  • The prospect of a long and healthy life: Health spending, income growth and education have contributed substantially to increased longevity. The more fundamental determinants are the cultural and institutional factors that have contributed to economic development, including economic freedom. Long healthy life expectancy is associated with high levels of economic and personal freedom.
  • Positive relationships with other humans: The extent to which others can be trusted has an important impact on the opportunities for positive human relationships because it improves incentives for trade and other mutually beneficial activities. Trust levels tend to be higher in countries with relatively low crime rates and adherence to rule of law. Generalized trust, which gives greatest weight to trust of people who have just met and people from different religions and nationalities, tends to be greatest where people hold emancipative values, involving greater tolerance of diversity. Networks of individuals who can rely on each other for social support tend to be strongest in high-income countries.
  • Psychological well-being: Countries with the highest average life satisfaction are characterised by relatively high income levels and life expectancy, accompanied by perceptions of strong social support, freedom and low corruption. The percentage of the population who are dissatisfied with life tends to be relatively low in such countries.
  • Living in harmony with nature: The sense of kinship that people feel toward some animals living in the wild is similar to their feelings toward household pets. Human reasoning seems likely to continue to expand this sense of kinship to encompass more living things. Rising incomes make people more willing and able to afford more humane treatment of animals.

Common elements among determinants
The most pervasive common elements among the determinants of opportunities to have the basic goods are high incomes and high levels of economic and personal freedom.

The pervasiveness of high incomes as a determinant of opportunities for human flourishing points to the importance of economic growth. I have recently argued that it seems likely that for the foreseeable future the aggregate outcome of choices freely made by individuals as consumers and producers of goods and services will continue to involve further economic growth, even in high income countries.

However, it is possible that, over the longer term, increasing numbers of individuals will choose a lifestyle involving stable incomes and more leisure to one with rising incomes. Such an outcome would be consistent with ongoing growth of opportunities for individuals to live the lives that they aspire to have.

Once we recognize that economic growth is only one possible outcome of personal choices in the context of expanding production and consumption possibilities, that opens the way for us to focus on the determinants of productivity growth, rather than GDP growth outcomes. The cultural and institutional factors that have led to economic growth in the past have potential to continue to raise productivity levels, and thus enable opportunities for human flourishing to continue to expand, even if aggregate demand for goods and services does not continue to grow.

Cultural and institutional factors that support individual self-direction and opportunities for mutually beneficial exchange and cooperation are important not only in enabling people to make effective use of known technology, but also in bringing about improvements in skills, innovation, technological progress and advance of knowledge that enable productivity growth to occur.

Important institutions supporting the ongoing growth of productivity include liberty and rule of law. Individuals need liberty in order to exercise self-direction, and they need trustworthy trading partners and collaborators to engage with for mutual benefit. The perception that others can be trusted is enhanced by widespread adherence to rule of law. Culture is directly important in supporting the advance of knowledge, respect for innovators, and tolerance of diversity. Culture also underpins the values supporting liberty and the rule of law.

 Conclusions
Wise and well-informed self-direction is of central importance among the basic goods of a flourishing human because it helps individuals to maintain the other basic goods. The exercise of practical wisdom helps individuals to live long and healthy lives, maintain positive relationships, manage their emotional health, and to live in harmony with nature.

At a societal level, liberty and rule of law are among the most important determinants of opportunities for individuals to have the basic goods of a flourishing human. That poses the question of why there is greater liberty and adherence to rule of law in some societies than in others.  In order to understand the determinants of opportunities for human flourishing we need to understand the evolution of cultures supporting liberty and the rule of law.

Tuesday, January 7, 2020

"How dare you?"



I have stopped laughing about Greta Thunberg’s performance at the United Nations a few months ago.

At the time, I was amused by her quixotic antics in attacking world leaders. People who think they can change the world by staging tantrums do not deserve to be taken seriously. It was predictable that Greta’s outburst would have a negligible impact on climate change policies.

I was also amused by Greta’s misconceptions about the relationship between economic growth and climate change.

On reflection, however, those misconceptions are no laughing matter. They are more widely held than I had imagined, including among some people who have had a great deal more education than Greta. By making economic growth the villain, climate activists seem likely to antagonize many of the people who would like more action to be taken to reduce greenhouse gas emissions.

Global climate change is perceived to be a serious problem by a high proportion of the population in many different countries. However, there is much less support for action to be taken to limit greenhouse gas emissions. The obvious obstacle is the additional cost to consumers of transition to alternative energy sources (including the cost of energy storage and backup to ensure reliable supplies). The advocates of zero economic growth add another obstacle by telling people they will have to make huge changes in their lifestyles to mitigate climate change. The lifestyle changes required for adaptation may seem preferable to many people.

The nature of economic growth
Misconceptions about the relationship between economic growth and climate change stem largely from ignorance about the nature of economic growth.

When economists talk about economic growth, defined as an increase in the amounts of goods and services produced, some environmentalists just think of increases in the amount of stuff they don’t like. A little further thought might enable them to acknowledge that much additional stuff is being produced these days under environmentally friendly conditions. They might even be particularly fond of some additional stuff e.g. organic food, solar panels, electric cars and batteries. There are also some services they might like, such as health and education. 

Greta and her followers are probably concerned that economic growth requires us to dig up more and more natural resources until there are no more to be discovered. If that was true, it would be easy to understand why they might see endless economic growth as a fairy tale. However, growth in capital stock - created by transforming natural resources into equipment, buildings and infrastructure - typically accounts for only a small proportion of economic growth. In the 1950s, research by Robert Solow, a Nobel prize-winning economist, showed that only one-eighth of the increase in gross national product per man-hour in the United States between 1909 to 1949 could be attributed to increased capital stock. The remaining seven-eighth, which became known as the Solow residual, was attributed to technical change. Subsequent research has shown part of the Solow residual to be associated with improvement in labour skills, with the remainder, often described as total productivity growth (or multifactor productivity growth) being attributed to innovation, technological progress and the advance of knowledge.

Economic growth will probably end one day, but there doesn't seem to be anything inherent within the growth process that must bring that about. How do Greta and her followers propose to end economic growth? Do they propose to require people to take the benefits of technological progress in the form of more leisure, rather than more goods and services? Or do they propose to stop the advance of knowledge and innovation? 

The former approach seems more likely. It is certainly not unprecedented in human history for the advance of knowledge to come to a virtual standstill for long periods. However, it would be surprising to see the environmentalists of wealthy countries advocate policies to make that occur.

Environmental impacts of growth
If economic growth is largely about innovation, technological progress and the advance of knowledge, does it necessarily have adverse environmental impacts?  Of course not! In recent years, a significant amount of research, development and innovation has been directly related to development of alternative energy or other environmentally friendly activities.

Much of the other innovation that has occurred over the last decade or so - for example, improvements in communication technology - seems to have been benign in terms of its environmental impacts. It is possible to think of technological innovations that have raised environmental concerns, e.g. fracking and genetically modified crops, but that could hardly justify the blanket ban on innovation that is implicit in a zero economic growth scenario.

My view of growth
At this point some readers might have gained the impression that I am an advocate of endless GDP growth. That is not so. My reservations about GDP as a measure of well-being, and of GDP growth as a societal objective have been on display in articles I have written over the past 15 year (for example one on the priority given to economic growth in Australia, and one on the concept of Gross National Happiness).

As discussed previously on this blog, I advocate growth in opportunities for human flourishing - that is, growth of opportunities for individuals to live the lives that they aspire to have. If increasing numbers of individuals choose a lifestyle involving stable incomes and more leisure to one with rising incomes, I can see no reason to object (unless they want me to subsidize their lifestyle choice). In my view, there is certainly no case for governments to require or induce people to work harder or longer to foster growth of GDP.

However, it seems likely, even in high income countries, that for the foreseeable future the aggregate outcome of choices freely made by individuals as consumers and producers of goods and services will continue to involve economic growth. That outcomes seems likely, even in the presence of the minimal restrictions on individual freedom are necessary to achieve widely accepted environmental goals.

Those who urge the introduction of policies to stop economic growth are contemplating a great deal more interference with the rights of individuals to manage their own lives than could possibly be justified to pursue widely accepted environmental goals.

Bottom line
Despite substantial reductions in the cost of alternative energy that have occurred over the last decade or so, the cost of transition to alternative energy still seems to be a major obstacle to effective international action to reduce greenhouse gas emissions. Those who make the false claim that economic growth is incompatible with widely accepted environmental objectives are adding a further obstacle to effective international action.

Instead of frightening people by urging governments to impose huge changes in lifestyles on citizens, perhaps environmental activists could pursue their goals more effectively by making a case for further government funding of research to help make alternative energy more affordable.

Tuesday, December 31, 2019

Does the modern world offer opportunities for people to live in harmony with nature?



Living in harmony with nature is one of five basic goods of a flourishing human. That is the opinion expressed in an earlier article on this blog. However, some further explanation may be required to persuade some readers that living in harmony with nature meets the criteria of a basic good.

Meeting criteria
Living in harmony with nature is obviously closely linked to survival of hunter gatherers and subsistence farmers, but it might appear less important in the modern world. That is debatable, given the potential for environmental impacts of some human activities to be detrimental to human health and well-being.

It is also beside the point. Living in harmony with nature would not be a basic good if it served only as a means to a long and healthy life. Basic goods are not a means to some other good.

Similarly, the question of whether living in harmony with nature is integral to psychological well-being is beside the point. Basic goods are not components of other goods.

Basic goods are final goods.  As I see it, living in harmony with nature is an indispensable final good of flourishing humans because humans have deep-seated intuitions about their kinship (relatedness) to other living things. Anyone who doubts whether flourishing humans have such intuitions should look at some videos of animals meeting challenges of various kinds. Could any flourishing human not be pleased that this video of ducklings climbing steps has a happy ending?

The nature of kinship
The kinship that flourishing humans feel toward other living things is similar to their positive relationships with other humans. In fact, people often value the lives of household pets more highly than the lives of other humans. Some research by Jack Levin et al suggests that adult victims of crime receive less empathy than do child, puppy, and full-grown dog victims. The explanation offered for adult dogs receiving more empathy than adult humans is that adult humans are viewed as capable of protecting themselves while adult dogs are regarded as dependent and vulnerable, not unlike puppies and children.

Living in harmony with household pets may not be the first example that comes to mind of living in harmony with nature. Nevertheless, the sense of kinship with some animals living in the wild seems to be similar. Steven Pinker suggests in The Better Angels of our Nature that species that are lucky enough to possess the geometry of human babies may benefit to a greater extent from our sympathetic concern than other mammals (p 580).

Environmentalists have suggested that this results in disproportionate concern for a few mammals. Nevertheless, some environmentalists make the most of every opportunity to exploit fears that cute mammals are becoming endangered species. Koalas are a prime example. There would be few Australians who do not feel sadness about the large number of koalas killed in recent bushfires in eastern Australia, but claims that the koala population is now “functionally extinct” are probably exaggerated.

Opportunities offered by the modern world
The concept of an expanding circle of empathy, developed by Peter Singer, suggests that humans are likely to continue to expand their sense of kinship to encompass more living things. Singer suggests that altruism began as a genetically based drive to protect one's family and community members, but our capacity for reasoning has enabled an expanding circle of moral concern to develop. Those concerns seem likely to result in increasing numbers of people deciding to forgo meat products, without hectoring by climate change zealots claiming that we need to do so to save the planet. In my view, rising incomes play an important role in enabling people to give practical effect to their empathy for animals, for example by being willing and able to pay to ensure more humane treatment.

It is often observed that the move toward urban living has tended to separate people from the natural environment, but that lifestyle is likely to be more in harmony with nature than a lifestyle in which large numbers attempt to live in natural environments, but end up destroying the natural qualities that attracted them. As discussed on this blog a few years ago, the idea of locating human activities away from the natural environment, makes sense to decouple human development from adverse environmental impacts.

In How Much is Enough, Robert and Edward Skidelsky suggest that gardening provides a practical illustration of living in harmony with nature. They suggest that a good gardener “knows and respects” the potentialities of nature:
“His relation to nature is neither vulgarly instrumental nor grimly sacrificial. It is a relation of harmony”.

Gardening offers some potential to live in harmony with nature even in an urban environment. For example, it is often possible to select ornamental trees and shrubs, and to construct water features, with a view to attracting native birds into a garden. Even vertical gardening offers some scope to live in harmony with nature. On a larger scale, the story behind the mistletoe pictured at the beginning of this article illustrates some possibilities. An experiment is being conducted in Melbourne to use mistletoe to turn common street trees with no biodiversity benefits, London plane trees, into virtual wildlife sanctuaries.

The gardening concept may also have some relevance to the preservation of natural habitat. The idea that wilderness can be preserved merely by declaring an area to be a national park is a myth. Wilderness areas have not been free of human intervention in the past and may require careful monitoring and management to maintain existing biodiversity. For example, in Australia, the traditional custodians of the land used fire to create an environment suitable for the animals they hunted and to avoid a build-up of undergrowth that could fuel destructive bush fires.

Conclusions
Living in harmony with nature is one of the basic goods of a flourishing human because humans have deep-seated intuitions about their kinship with other living things.
The sense of kinship that people feel toward some animals living in the wild is like their feelings toward household pets. Human reasoning seems likely to expand this sense of kinship to encompass more living things. Rising incomes make people more willing and able to afford more humane treatment of animals.
Living in harmony with nature is consistent with urban living both because there is potential for substantial biodiversity in urban environments and because of the potential it offers for larger areas of natural wildlife habitat to be set aside and protected from the adverse effects of human activity. Ongoing monitoring and management is necessary in those areas to maintain existing habitat that is an outcome of past human interventions.

Friday, March 29, 2019

Why do many individuals voluntarily moderate their contributions to global environmental problems?



I think serious consideration should be given to the question of why many individuals voluntarily moderate their own contributions to global environmental problems. Prospects for human flourishing may well depend on the increased willingness of many more people to moderate their individual contributions to climate change. Voluntary contributions may not be enough, but what people are willing to volunteer to do themselves can be expected to have an important influence on the extent to which they are willing to impose regulation on others.

A decade ago I suggested that people who voluntarily reduce their contributions to climate change deserve our respect, but I referred to them as environmental puritans. I remember being told that terminology wasn’t respectful. Religious zealotry certainly doesn’t provide a complete explanation of  such behaviour.

Voluntary action by individuals to moderate their contributions to global problems is difficult to explain in conventional economic terms because people must know that their personal actions will have a negligible impact on global problems.

So, why does it happen?

The most cynical explanation I can think of is virtue signalling. Some firms and individuals engage in the behaviour because they obtain additional profit, or just personal satisfaction, from admiration they receive by appearing to be virtuous. Even though virtue signalling isn’t particularly commendable, good outcomes can flow from it. If companies can make higher profits by presenting an environmentally friendly image, good luck to them. If community organisations can further their objectives by bestowing honours on people whose motive is to be admired by other members, good luck to them too (provided, of course, we are not talking about organisations that infringe the rights of non-members e.g. terrorist organisations).

Leaving cynicism aside, the most obvious explanation is that people are willing to moderate their behaviour because of genuine ethical intuitions or considerations. It feels like the right thing to do and/or they consider such behaviour integral to their values and their flourishing as individual humans. It is reasonable to speculate that such ethical feelings and considerations are strongly linked to perceptions of personal identity.  Those who perceive themselves as giving a high priority to environmental protection tend to see themselves as citizens of the world. For example, of those U.S. respondents to the World Values Survey conducted a few years ago who identified with the proposition “looking after the environment is important to this person”, 83% saw themselves as “a citizen of the world”. The corresponding percentages were much lower for people who didn’t perceive looking after the environment to be important.

As shown in the chart at the beginning of this post, the percentage of people who perceive of themselves as citizens of the world is quite high in many countries. I don’t claim to know much about what is going on in the minds of those people. My guess is that when people say that they see themselves as citizens of the world, they are recognizing that they have a common interest with other humans in seeking solutions to global problems. It seems reasonable to expect people who see themselves as citizens of the world would be more likely to moderate their personal contributions to global environmental problems without requiring inducement than those who identify solely as members of local communities, ethnic or religious groups, or nations.

As implied earlier, some people who moderate their own contributions to global environmental problems seem to be puritanical in their beliefs about appropriate behaviour towards the environment. That could be because of they are deeply religious, whether as followers of contemporary religions or as Gaia worshippers. It is hardly surprising to see religions urging their followers to have regard to the global environment and the well-being of future generations of humans, and to see some of adherents become environmental zealots.

It also seems reasonable to speculate that more people will voluntarily moderate their personal contributions to global environmental problems when they observe others doing likewise. They know their own personal contributions will have a negligible impact on global problems, but they don’t consider them to be futile because they feel that their contributions are part of a collective effort. Those who seek to provide an example for others, by making an unusually large contribution, may see their contribution as having a potential snowball effect.

The motivations of many of those who voluntarily modify their contributions to global environmental problems are only weakly contingent on the behaviour of others. Their behaviour seems to be motivated primarily by benevolence towards future generations of humans and other species. There is no social contract regarding voluntary moderation of contributions and there is no possibility that every human would agree to moderate their behaviour in this respect in the absence of regulation. An individual cannot induce others to moderate their greenhouse gas emissions merely by threatening to cease moderation of their own behaviour if their example is not followed. By contrast, Elinor Ostrom observed that in a successfully managed commons where access to shared resources is limited, individual participants make contingent self-commitments. The willingness of participants to follow a set of rules that has been devised collectively is contingent on other participants making a similar commitment and acting accordingly.

An important factor involved in voluntary moderation of relevant behaviour is belief that human action is causing detrimental climate change. People, like me, who believe that there is a low probability of catastrophic climate change within the next 30 years, or so, might also be willing to moderate their behaviour voluntarily as an insurance policy for following generations, provided the cost of insurance – for example, use of renewable energy in place of fossil fuels - is relatively low. More people can be expected to join the movement to moderate their behaviour if they perceive that environmental catastrophe is becoming imminent and/or if it becomes less costly to reduce the exposure of their children and grandchildren to global environmental risks.

Is coercion ever justified?

The benevolent private behaviour of environmentalists with respect to global environmental problems is often combined with advocacy of government action to compel others to modify their contributions. Any lover of liberty would find such coercion difficult to endorse, but there are strong precedents for it. One readily defensible movement that has acted similarly in the past is the movement for abolition of slavery in the 19th Century. As well as endeavouring to ensure that they did not profit from slavery, members of anti-slavery organisations advocated government action to abolish it.

If concerted government intervention is needed to avoid a global climate catastrophe, and if there is enough support by governments and citizens of enough countries to ensure that effective action can be taken, it would be difficult to argue that no action should be taken that would infringe the liberty of those individuals opposed to the intervention. Please note that there is more than one big “if” in the preceding sentence. I just want to make the point that it does not make sense for anyone to insist on the primacy of liberty if human survival is really at stake. In order to flourish, our descendants need to survive.

Do conservatives understand the motivations of world citizens?

The observation that environmentalists often combine benevolent private behaviour with advocacy of government action, seems somewhat at odds with a claim made by prominent conservative philosopher, Roger Scruton, in Green Philosophy: How to think seriously about the planet, published in 2012. Scruton suggests:
"Nothing in politics stands still, and increasingly left-wing environmentalists are dissociating themselves from the campaigning NGOs, and preferring the small-scale work that both supports and expresses the low-impact way of life. The movements for low carbon communities, slow food and permaculture have recruited many who identify themselves as ‘on the left’. Indeed, this shift away from radical, government-shaped solutions should be welcomed by conservatives, since it promises the thing that environmentalists of both persuasions need, which is a way of sharing our problems and co-operating in solving them."

I think that may be wishful thinking. From where I sit in Australia, I don’t see left-wing environmentalists increasingly dissociating themselves from campaigning NGOs. There are some environmentalists who would identify as having leftish views who are disgusted with the antics of environmental NGOs and Green politicians and want nothing to do with them. But I don’t see a general trend in that direction. I do see a trend toward more alliances between radical environmentalists and people who could be considered to hold conservative views. I see alliances between farmers and radical environmentalists to prevent fracking to extract of coal seam gas, because that may contaminate ground water. I see alliances between residents of leafy suburbs and radical environmentalists to prevent higher density housing projects. I also see more people with conservative views supporting independent political candidates who want a greater national contribution to international efforts to combat climate change.

It is easy to understand why Roger Scruton would like to see left-wing environmentalists dissociating themselves from campaigning NGOs. He suggests that oikophilia, the love of the oikos, or household, is the motive that captures what conservatism and environmentalism have to offer each other. He explains:
“It is a motive in ordinary people. It can provide a foundation both for a conservative approach to institutions and a conservationist approach to the land. It is a motive that might permit us to reconcile the demand for democratic participation with the respect for future generations and the duty of trusteeship. It is, in my view, the only serious resource that we have, in our fight to maintain local order in the face of globally stimulated decay”.

However, Scruton’s response to the slogan, ‘think globally, act locally’, seems odd. He suggests that while many environmentalists acknowledge that local concerns must be given a proper place in our decision-making, they tend to balk at the suggestion that “local loyalty should be seen in national terms, rather than as the small-scale expression of a humane universalism”. He suggests that were conservatism to adopt a slogan, it should be ‘feel locally, think nationally’. He argues that doesn’t mean that conservatives are all belligerent nationalists: They think in terms of the nation state because “they recognize that, in the current environmental crisis, there is no agent to take the needed measures, and no focus of loyalty to secure consent to them, other than this one".

I am uncomfortable with the idea that local loyalty should be seen in national terms. National loyalties overlap with local loyalties in some respects, but most environmental problems seem to be either local or global. Humane universalism seems to me to be a mark of civilised behaviour.
Nevertheless, I accept that the national state is the only governance system available which has potential to deal with global problems that cannot be resolved by the voluntary actions of individuals. That doesn’t mean that I have a great deal of faith in the capacity of nation states to resolve such problems.  Perhaps voluntary action enhanced by blockchain technology offers more hope over the longer term.

Roger Scruton is correct in his assertion that conservatives think in terms of nation states. They are statists. But that is also true of Green politicians and their ardent supporters, who argue vociferously for greater action at a national level to reduce emissions of greenhouse gases. In attempting to push individual nation states to rapidly reduce greenhouse gas emissions at a national level, Green politicians have caused a backlash from voters concerned about rising energy prices and the unfairness of being asked to make greater sacrifices than those being made by people in other parts of the world. If Green politicians want effective action to avert the global climate change disaster that they greatly fear, they will need to adopt more effective political strategies that are capable of winning support from voters who are sceptical of claims of claims of imminent environmental disaster, but are prepared to make modest contributions to global efforts as a form of insurance for the benefit of future generations.

How does Roger Scruton make a useful contribution?

Roger Scruton’s comments about the difficulty of negotiating and enforcing international agreements to combat climate change are insightful. He notes that the Montreal Protocol concerning action to combat depletion of the ozone layer of the atmosphere was successful because CFCs could be eliminated “without seriously disturbing the economy or the way of life of any signatory nation”. He notes:
“Greenhouse gases are not like CFC gases. As things stand they can be eliminated only at great economic and even greater social cost, and few nations are prepared to pay that cost. By devoting their sparse supply of global goodwill to negotiating futile treaties against emissions, the nations are wasting assets that could be spent on co-operative research into renewable energy."

I think Scruton is both too optimistic and too pessimistic in suggesting that “unilateral action on the part of a competent and law-abiding state”, such as the U.S., may end up being the only way the global environment can be defended. I take his point that the British Navy played a crucial role in ending the transnational market in slaves, but it is too optimistic to think that the U.S. could achieve much to combat climate change by acting alone. It seems too pessimistic to imply that there are no circumstances where international cooperation could result in effective action against climate change.
Roger Scruton actually points to a potentially productive avenue for international cooperation:
 “If treaties are to be effective at all they must surely be of this kind – treaties that offer only benefits, which minimize the incentives to defect, and which compensate for the principal failure of markets in the matter of global environmental problems, namely that they do not invest sufficiently in the needed research.”

Where does this lead?

The important point is that if we want individuals to moderate their contribution to global environmental problems – either through voluntary action or by supporting regulation – before environmental catastrophe is universally accepted to be imminent, then we need to make it less costly for people to take that action. A greater research effort is required to ensure that more efficient technologies become available as soon as possible.

Wednesday, March 13, 2019

How can we compare climate change and public debt risks?



It seems to me that, over the next 20 years or so, people in Western democracies are likely to suffer to a greater extent from the consequences of an explosion in public debt than from climate change. At the same time, I acknowledge that climate change could possibly pose a serious threat to civilization and perhaps human survival. The chart shown above is my attempt to illustrate how those risks might be compared.

I make no claim to expertise in assessment of climate change risks. My reading on the topic suggests that the theory that increasing concentrations of greenhouse gases in the atmosphere are contributing to climate change is widely accepted by scientists. However, people with relevant expertise obviously have different views about the rate at which climate change is likely to occur, the contribution of human activity, the political feasibility of various forms of remedial action, and the adaptability of humans and other living creatures.

In my view, too little attention has been given to “tail risk” associated with climate change – the low probability that climate change will result in a great deal of human misery, as shown in the chart above. As I have written here previously, if you are concerned about climate change, you (like me) are likely to be more concerned about the remote possibility that your great grandchildren might suffer from having to live with potentially catastrophic climate change outcomes than about the more probable outcome that climate change might cause their incomes to be somewhat lower than economic modelling suggests they would be otherwise. I have also previously expressed agreement with Nassim Taleb that there are some risks we should avoid if possible, even though there is a low probability that they will occur at any point in time. In order to flourish, future generations need to be able to survive.

The reasoning behind the rest of the chart requires more explanation. Why do I think there is a 95% probability that the citizens of western democracies will suffer as much or more over the next 20 years from an explosion in public debt than from climate change? Since I don’t have either the inclination or expertise to weigh up the technical evidence on climate change for myself, I tend to rely on the IPCC’s assessments. I suspect the authors of IPCC reports are still somewhat biased toward attempting to present a view favouring urgent international action to reduce greenhouse gas emissions. Nevertheless, after they have been modified in the light of expert public scrutiny, the IPCC reports are probably the most authoritative source of independent assessments of the relevant evidence.

The IPCC’s assessment of likely climate change outcomes in Chapter 3 of its recent special report, Global Warming of 1.5 ºC, implies that we can expect some fairly serious adverse consequences over the next few decades:
The impacts of climate change are being felt in every inhabited continent and in the oceans. However, they are not spread uniformly across the globe, and different parts of the world experience impacts differently. An average warming of 1.5°C across the whole globe raises the risk of heatwaves and heavy rainfall events, amongst many other potential impacts. Limiting warming to 1.5°C rather than 2°C can help reduce these risks, but the impacts the world experiences will depend on the specific greenhouse gas emissions ‘pathway’ taken. The consequences of temporarily overshooting 1.5°C of warming and returning to this level later in the century, for example, could be larger than if temperature stabilizes below 1.5°C. The size and duration of an overshoot will also affect future impacts.

However, a recent OECD report on Greece, which is fairly optimistic about the future of that economy, seems to me to illustrate that public debt crises are likely to result in much more human misery than climate change over the next few decades:
Despite these positive developments, challenges abound. GDP per capita is still 25% below its pre-crisis level. The public debt is still high and a source of significant vulnerability. Poverty rose sharply during the crisis, especially among the young and families with children. Though poverty has stabilised, it remains near a record high. Skill mismatch is also high and investment remains depressed. This contributes to low productivity – which has fallen further behind other OECD countries – and low wages – resulting in high in-work poverty. Though improving, female labour participation is among the lowest across OECD countries. The recovery in investment is held back by a dearth of finance – due in part to high levels of non-performing loans and to capital controls – high cost of capital relative to wages, cumbersome regulations and low demand. These problems weigh on people’s well-being”. 

As I explained in a recent post, there are strong reasons to expect that the failure of governments in most OECD countries to restrain the growth of government spending is likely to cause debt servicing to become a more widespread problem in the decades ahead.  I think the most likely outcomes in most western democracies will probably be much worse that the outcomes of climate change, although not be as bad as the experience of Greece over the last decade. The chart above is drawn to acknowledge that there is some possibility that democratic governments will lift their performance, or world interest rates will remain low, so debt servicing may not be a problem.

The modest adverse outcomes depicted on the right side of the chart might well be offset by positive factors. There is a good chance that over the longer term the positive impacts of technological advances will be sufficient to offset the negative impacts of both public debt accumulation and climate change, but it would be excessively optimistic to expect rapid technological progress and productivity growth in western democracies over the next 20 years.

Some readers may object to my attempt to compare the risks associated with climate change and public debt explosion on the ground that these are very different risks when viewed at a national public policy perspective. There obviously isn’t much the government of any country can do to reduce climate change risk by acting alone.

However, I have drawn the chart with individual well-being in mind. From an individual’s perspective, the risks surrounding climate change and public debt are quite similar. Nothing that individuals do by themselves will make much difference to national or global outcomes. Voting might appear to provide an avenue for individuals to influence national outcomes but, as others have observed, voting in a national election is like ordering a meal from the menu in a restaurant and being served the same meal irrespective of what you order.  

There are options that individuals can consider to reduce their exposure to both climate change and public debt risks. For example, consideration of climate change risk might influence decisions about housing location and construction, and consideration of public debt risks might cause individuals to reduce the extent that their families rely on government for health services, education and retirement incomes.

It strikes me that climate change and the risks of public debt explosion also pose similar ethical issues for individuals. Does the fact that an individual’s actions, considered in isolation, has a negligible impact on global and national problems absolve him or her of an obligation to moderate his or her contributions to those problems? I think not, but I will leave consideration of the issue for another time.