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Theron Pummer’s Posts

How Important Is Population Ethics?

We face very important decisions about climate change policy, healthcare prioritization, energy consumption, and global catastrophic risks.  To what extent can the field of population ethics contribute to real-world decisions on issues like these?  This is one of the central questions being pursued by researchers in the Population Ethics: Theory and Practice project at the Future of Humanity Institute at Oxford University.  The project, overseen by Dr Hilary Greaves, officially began earlier this month, and will continue (at least in its present form) for three years.  The research team aims to make progress in theoretical population ethics, and to assess its relevance to pressing practical issues that affect future generations.

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People and charitable causes are importantly different things

Like Prot – the lovable character played by Kevin Spacey in the underrated movie K-PAX – you’re an intelligent benevolent extraterrestrial who has just been beamed to Earth.  Sadly, unlike Prot, you have no return ticket.  The good news for you is that just moments after hopping off of your beam of light, you found a briefcase stuffed with $3 million.  Being benevolent, and having concern for the inhabitants of Earth, you decide to give nearly all of this money to charity.  Being completely new to the planet, however, you do not yet have any special concern for anyone here – no friends, no loved ones.  Having this equal concern for everyone, you want simply to do the most good possible, and so you decide to give this money to the most cost-effective charities you can find.

Exit science fiction scenario.

One important difference between each of us and this Prot-agonist is that we do have friends and loved ones; we have rich shared histories with them, we care deeply about them, and, crucially, the level of concern we have for them is not on a par with the general concern we have for strangers.  If your fiancé were drowning in a lake to your north, and ten strangers were drowning in a lake to your south, and you could either rescue the one to your north or instead the ten to your south (but not all eleven!), you’d probably head north.  Whether this constitutes morally good behavior on your part is a matter of controversy among contemporary ethical theorists.  But let’s assume the commonsense view that it’s not wrong of you to save your fiancé over the ten others.  This degree of special partial concern is, we’ll suppose, justified.

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