Responding to Global Warming: Ethical Dimensions Sean McAleer, Ph.D. Department of Philosophy and...
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Responding to Global Warming:
Ethical DimensionsSean McAleer, Ph.D.
Department of Philosophy and Religious Studies
UW - Eau Claire27 March 2013
ECON 268
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Topics
1. Basic Concepts
2. The Tragedy of the Commons
3. Justice
4. Pascal’s Wager and Global
Warming
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1. Basic Concepts
a. Moral Agency: the capacity to act on/for moral reasons
b. Moral Standing: who/what counts morally[i.e., whose interests ought a moral agent consider]
c. Moral Significance: how much something counts morally [i.e., how much weight ought a moral agent give x’s interests?]
d. A criterion: x has moral standing iff …… x is rational? … x is sentient? … x is alive?
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2. Tragedy of the Commons
Suppose a grazing pasture is a commons, regulated only by voluntary self-restraint; what will happen?Carrying capacityWhat is individually rational may be collectively irrational.How might the tragedy be avoided?– Central authority– PrivatizationIs the atmosphere a commons?Problems of collective action/agency
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The Prisoner’s Dilemma
OtherConfess Don’t Confess
Confess < 5, 5 > < 1, 10 >
You Don’t Confess < 10, 1 > < 3, 3 >
What should you do, acting in your own interest?If the other confesses then you should ……… ?If the other doesn’t confess then you should ……… ?The other will either confess or not confess.Therefore, you. should ……… ?
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The Prisoner’s Dilemma
OtherConfess Don’t Confess
Confess < 5, 5 > < 1, 10 >
You Don’t Confess < 10, 1 > < 3, 3 >
Won’t the other do the same, if she’s rational?How do you both end up, acting from self-interest?Suppose you can confer before entering your plea -- what deal should you make?What should you say, when you’re asked for your plea?
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A less artificial example
OtherEgoist Altruist
Egoist Dog-eat-dog King of the world
You Altruist Sucker! Pretty Good
What should you be, acting in your own interest?If the other is rational, what will the outcome be?Even if you’ve made a deal, do you have an incentive to free-ride?
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3. Justice
a. Distributive Justice: How should access to a finite resource be allocated? Justice and equality?Think of the atmosphere as a sink into which we dump our waste gasses.
b. Compensatory Justice: How much does A owe B for harming B?
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3a.Distributive Justicei. Time-slice principles (e.g., Rawls’ egalitarianism)ii. Historical principles (e.g., Nozick’s voluntarism)Access-allocation is just if …Equal Share: … every country has equal per capita
access to the sinkBenefit the Worst-off: … it is to the benefit of the worst
off countriesEconomic Activity Principle: … every country has equal
per unit of economic activity access to the sinkEconomic Efficiency Principle: … every country’s
access is proportional to its economic efficiencyUtilitarianism: … it leads to the greatest net happiness
for allVoluntarism: … it is the result of voluntary exchange
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Choosing principles of distributive justice
Rawls’s Veil of Ignorance procedure:1. Imagine that you are ignorant of various material facts that might
make you select principles that would benefit only you or members of your group(s) – e.g., race, sex, education level, ethnicity, religious affiliation, nationality, etc.
2. Assume rational self-interest.3. Choose principles of distributive justice that will further your
interests.
Rawls: Principles chosen from this original position of equality would be fair (because they would secure unanimous consent).
No reasonable, self-interested person would choose a principle benefiting white men, for example, since from behind the veil of ignorance you don’t know whether you’re white or a man.
Relevance to global warming?
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Rawls’ Difference Principle(s)
Rawls thinks that from behind the veil of ignorance you’d choose the following principle:
Goods are to be distributed equally …unless an unequal distribution would
(a) benefit everyone OR(b) benefit the least well-off
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Nozick’s Argument Against Time-Slice Principles
Suppose some time-slice principle allocates x. How could subsequent voluntary exchanges of x fail to be just, even if the subsequent distribution violates the time-slice principle?Conditions on voluntariness: mental competence; adequate information; absence of fraud; absence of coercion.
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4. Global Warming, Pascal’s Wager, and the Precautionary
Principlea. Examples of the PPb. Structure of the PPc. Pascal’s Wagerd. Precaution and paralysis?
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4a. Examples
Rio Declaration (1992):Where there are threats of serious or irreversible damage, lack of full scientific certainty shall not be used as a reason for postponing cost-effective measures to prevent environmental degradation.
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4a. Examples
The Wingspread version (1998): Where an activity raises threats of harm to the environment or human health, precautionary measures should be taken even if some cause and effect relationships are not fully established scientifically. In this context the proponent of an activity, rather than the public bears the burden of proof.
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4a. Examples
UNESCO (2005):When human activities may lead to morally unacceptable harm that is scientifically plausible but uncertain, actions shall be taken to avoid or diminish that harm.Morally unacceptable harm refers to harm to humans or the environment that is• threatening to human life or health, or• serious and effectively irreversible, or• inequitable to present or future generations, or• imposed without adequate consideration of the human rights of those affected.
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4b. PP: Structure
DAMAGE CONDITION KNOWLEDGE CONDITION REMEDY
Serious Possible Ban
Harmful Suspected Moratorium
Catastrophe Reasonable Promote Alternatives
IrreversibleNot proven beyond ……
that the activity won’t create the damage
Reduce uncertainty
Diminish negative consequences
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4c. The PP & Pascal’s Wager
What you believe and how you act
Theism Atheism
What the facts are
God exists
God doesn’t exist
Pascal’s wager gives a prudential reason for theism, not an epistemic reason.
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4c. The PP & Pascal’s Wager
What you believe and how you act
Theism Atheism
What the facts are
God exists Eternal blissEternal torment
God doesn’t exist
Minor loss Minor gain
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4c. The PP & Pascal’s Wager
What you believe and how you act
Drastically cut CO2
Don’t drastically cut
CO2
What the facts are
GW is real & anthropogenic
GW isn’t real or anthropogenic
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4c. The PP & Pascal’s Wager
What you believe and how you act
Drastically cut CO2
Don’t drastically cut
CO2
What the facts are
GW is real & anthropogenic
Avoided catastrophe
Enabled catastrophe
GW isn’t real or anthropogenic
Minor (?) economic loss
Minor (?) economic gains
What happens if we apply the to the remedy PP suggests?
Many Gods objection to Pascal’s Wager.
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4d. Precaution and Paralysis
The worry: as commonsensical as it sounds, strong versions of the PP lead to paralysis
•the remedy the PP proposes might itself be potentially catastrophic
•not adopting the potentially catastrophic remedy might itself be potentially catastrophic
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What are the odds of dying?
one year lifetime… in a motor-vehicle accident 1 / 6,584 1 / 85… from a fall involving furniture 1 / 329,319 1 / 4,238… from falling out of a building 1/ 475,100 1 / 6,115… by accidentally drowning 1 / 83,365 1 / 1,073… from exposure to smoke, fire, flames 1 / 95, 968 1 / 1,235… ignition or melting of nightwear 1 / 59,672,595 1 / 767,987… from exposure to natural cold 1 / 574,880 1 / 7,399… being struck by lightning 1 / 6,348,148 1 / 81,701… suicide 1 / 8,960 1 / 115… assault by firearm 1 / 23,326 1 / 300… legal execution 1 / 6,215,895 1 / 79,999… alcohol poisoning 1 / 847,622 1 / 10,909
Source: The National Safety Council <http://www.nsc.org/news_resources/injury_and_death_statistics/Documents/Odds%20of%20Dying.pdf>
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Some ResourcesPeter Singer, One World: The Ethics of Globalization (Yale
University Press, 2004). Neil Manson, “Formulating the Precautionary Principle.”
Environmental Ethics 24 (2002): 263-74.Stephen Gardiner, “Ethics and Global Climate Change.” Ethics
114 (2004): 555-600.Dale Jamieson, Ethics and the Environment: An Introduction
(Cambridge University Press, 2008).Stephen Gardiner et al., eds., Climate Ethics: Essential Readings
(Oxford University Press, 2010).Cass Sunstein, Laws of Fear: Beyond the Precautionary Principle
(Cambridge University Press, 2005).Jonathan Westphal, ed., Justice (Hackett, 1996).Andrew Brennan, “Environmental Ethics.” Stanford Encyclopedia
of Philosophy (http://plato.stanford.edu/entries/ethics-environmental/