One of the principles on how to act under moral uncertainty, My Favourite Theory, says roughly that a morally conscientious agent chooses an option that is permitted by the most credible moral theory. In defence of this principle, we argue that it prescribes consistent choices over time, without relying on intertheoretic comparisons of value, while its main rivals are either plagued by moral analogues of money pumps or in need of a method for making non‐arbitrary intertheoretic comparisons. We rebut the arguments that have been levelled against My Favourite Theory and offer some arguments against intertheoretic comparisons of value.
There is a fixed limit on the greenhouse gas emissions that the atmosphere can absorb before triggering dangerous climate changes. One of the debates in climate ethics concerns how the available emissions should be divided between people. One popular answer, sometimes called "Emissions Egalitarianism" (EE), proposes a distribution of emissions permits that gives everyone an equal per capita share of the atmospheric absorptive capacity. However, several debaters have objected to EE. First, it has been argued that there is no principled reason to accept EE, since it cannot be justified on the basis of any moral theory. Second, it has been argued that there is neither any pragmatic reason to accept EE, since it is impracticable, politically unfeasible, and fails to reach its goal. This paper defends EE against these objections. First, it shows that EE can be justified on libertarian, utilitarian, and fairness grounds, respectively. Second, it shows that EE is neither more impracticable, nor more politically unfeasible, than its rivals. It also argues that EE does not fail to reach its goal. Consequently, there is a case to be made for EE.
In climate ethics, there is a debate about how the carbon budget, in terms of emissions permits, should be divided between people. One popular proposal, sometimes called The Equal per Capita View, says that everyone should have an equal share of the available emissions permits. Several authors have objected to this view, arguing that: (i) the equal per capita view implies isolationism since it treats emissions permits in isolation from other considerations of justice such as development, poverty and trade; and (ii) isolationism is implausible since it yields a number of problematic implications; therefore (iii) the equal per capita view is implausible. I examine this argument against the equal per capita view by scrutinizing the presumed problematic implications of isolationism. I show that they are either mistakenly inferred from isolationism or irrelevant as to whether isolationism is plausible or not. I conclude that the equal per capita view should not be discarded for being an isolationist approach. Rather, both isolationism and the equal per capita view should be considered as potential action guides. This result is of relevance to the climate political debate, since it could promote progress in the climate negotiations that are needed for limiting global warming to 1.5 degrees Celsius, as set by the Paris Agreement. KEYWORDS Isolationism; integrationism; emissions permits; emissions distribution; equal per capita; climate changeIn the climate ethics literature, as well as in climate politics, there is a debate about how the atmosphere's natural capacity to absorb greenhouse gases should be divided among people (see, e.g., Broome 2012, Gardiner et al. 2010, Garvey 2008. In other words, this debate concerns the question of how to fairly distribute the amount of emissions that are compatible with climate stability. One of the major stumbling blocks in current climate policy is due to a disagreement on this issue. The political consequences of this debate in climate ethics are thus substantial.Fundamentally, this debate concerns which principle for distribution of emissions permits is most plausible. Some ethicists -including Singer (2010), Attfield (2003), Jamieson (2005, and Broome (2012) -have proposed a socalled 'Equal per Capita View', according to which everyone should have an CONTACT Olle Torpman
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