Moral circle expansion: A promising strategy to impact the far future

Many sentient beings suffer serious harms due to a lack of moral consideration. Importantly, such could also occur potentially astronomical number morally considerable future beings. This paper argues that, prevent existential risks, we should prioritise the strategy expanding humanity’s circle include, ideally, all We present empirical evidence at micro- and macro-levels society, increased concern for members some outlying groups facilitates others. argue that perspective expansion can reveal clarify important issues in futures studies, particularly regarding animal ethics artificial intelligence. While case does not hinge on specific criteria, focus sentience as most recommendable policy when deciding, do, under uncertainty. address various nuances adjusting circle, risk over-expansion.