Existing human beings stand in a unique relationship of asymmetrical influence over future generations. Our choices now can settle whether there are any human beings in the further future; how many will exist; what capacities and abilities they might have; and what the character of the natural world they inhabit is like.

This volume, with contributions from both new voices and prominent, established figures in moral and political philosophy, examines three generally underexplored themes concerning morality and our relationship to future generations. First, would it be morally wrong...