Naming what we owe the unborn

Unnamed debts are not paid. This is true in finance and true in ethics. As long as obligations to the unborn remain implicit (a vague sense that we should care about the future), they will be defeated in every concrete tradeoff by named obligations to the living. The cost of road repair, named, beats the cost of climate damage, unnamed. The interest of current shareholders, named, beats the interest of descendants, unnamed. To name the debt is to give it a chair at the table. Naming is not sentimental. It is structural. It changes the math.

Derek Parfit's non-identity problem is the standard intellectual obstacle to obligations to the unborn. If present choices determine who is born, no specific future person can complain that a different choice would have benefited them, because they would not exist under that choice. Parfit himself did not use this to dissolve obligation; he used it to argue that we should think in terms of impersonal goods (welfare, capability, ecological condition) rather than person-affecting harms. The lesson for parents is that we should focus on the conditions we hand forward, not on the identities of those who will inhabit them. The river clean enough to drink does not need to know whose mouth will drink from it.

What we owe the unborn reduces, on close inspection, to four substrates: a habitable biosphere, functioning institutions, inherited knowledge, and preserved optionality. Each is a precondition for everything else. The biosphere because no civilization runs on a dead planet. The institutions because no individual flourishing is possible in a collapsed polity. The knowledge because reinventing antibiotics from scratch is not a future anyone should be assigned. The optionality because we do not know what the unborn will choose, and the worst sin against them is to foreclose their choices. Any policy can be tested against these four. Most fail.

If we name our debts honestly, the climate debt is the largest and most overdue. Industrial civilization has bequeathed an atmosphere with a different chemistry than the one it inherited, and the costs of that revision will fall on people who did not cause it. There is no way to fully repay this debt; the molecules are loose. What can be done is to stop adding to the principal and to invest aggressively in adaptation infrastructure that softens the bill for descendants. Parents who name the climate debt out loud, in schools and at ballot boxes, are the necessary political base for any serious response.

Institutions are slow, accumulated agreements about how to live together: rule of law, free press, public health, mutual aid societies, scientific peer review. They take centuries to build and decades to lose. We owe the unborn institutions that work, which means we owe the present the labor of maintaining them. Voting, jury duty, peer review, public-sector careers, civic association memberships, these are forms of institutional maintenance. A generation that consumes institutional capital without replenishing it (declining trust, declining participation, declining repair) leaves the unborn with a hollowed-out polity. The debt is not visible in any national accounts.

The unborn will inherit a knowledge stock: science, mathematics, agriculture, medicine, law, literature. They will not have to rediscover germ theory or anesthesia. This inheritance is preserved by specific institutions (universities, archives, peer-reviewed journals, master-apprentice traditions) that require maintenance. We owe the unborn the continuation of these institutions, which means we owe the present the funding, staffing, and norms that keep them alive. The defunding of basic research is not a saving; it is a transfer of cost to descendants who will have to do the work anyway, often under worse conditions.

Some present choices close doors permanently. The species made extinct cannot be unextincted. The language whose last speaker dies cannot be revived (in any meaningful sense). The carbon released cannot be easily reclaimed. The forest converted to suburb does not return on any human timescale. We owe the unborn the doors we have not closed: the wild places, the languages, the seeds, the genetic diversity, the obscure cultural practices. They will need some doors we cannot now imagine they will need. The conservative principle here is to leave them more rather than fewer.

A fiduciary acts in the interest of a beneficiary who cannot represent themselves. The unborn are the classic case. Some jurisdictions have begun to formalize fiduciary structures for them: Wales's Future Generations Commissioner, Hungary's former Ombudsman for Future Generations, constitutional clauses in several Latin American states. These are imperfect but real. Collective parenthood includes the work of building such structures: a chair at the table for the unborn, occupied by someone with a legal duty to argue their case. Without this chair, every decision is a default vote against them.

Rituals are devices for sustaining obligations across time. The Haudenosaunee seventh-generation invocation, the Jewish dor v'dor (generation to generation) formula, the African ancestor offerings, the Christian sacrament of baptism that pledges a community to a new arrival: these are ritual technologies that keep obligation present when reasoning alone would let it slip. Naming what we owe the unborn requires not just policy but ritual: regular, repeated, communal acts that re-anchor the obligation. Parents who institute such rituals in their families (a birthday letter to the future, a tree planted at each birth, an annual reckoning with the year's choices) are doing the work at the household scale that the polity has not yet learned to do at the collective scale.

By any reasonable estimate, the unborn outnumber the living by orders of magnitude. Even modest projections of future human existence make present generations a tiny minority of the total human story. This is not an argument for ignoring the living, who suffer in the present and whose claims are urgent. It is an argument against weighting the present at one hundred percent of the moral budget. The unborn deserve some share. How much is the substance of political debate. That they deserve some is the precondition for the debate.

Economists discount future welfare to make present-day calculations tractable. There is no honest discount rate that justifies the current trajectory. At three percent annual discount, a child born in 2125 is worth one fiftieth of a child born today; at five percent, one two-hundredth. No parent applies this rate to their own grandchild, and no honest moral system applies it to anyone's. Naming what we owe the unborn means rejecting the discount as a moral instrument while accepting it as an occasional accounting convenience. The convenience must never become the principle.

The unborn are not just owed care; they are owed justice. Specific generations have benefited disproportionately from extractive practices whose costs are deferred onto descendants. This is not a tragedy of the commons; it is a wealth transfer. Naming it as such (intergenerational injustice, intergenerational theft, intergenerational debt) reframes the moral situation. It is not that we are failing to be generous to the future; it is that we are actively taking from it. The frame matters because it points to remedy: not charity, but restitution, debt service, and the construction of institutions that prevent future transfers.

Naming what we owe the unborn would be paralyzing if the debt were unpayable. It is not. This generation can stabilize the climate, repair institutions, fund knowledge, and preserve optionality. The technologies exist, the resources exist, the precedents exist. What is lacking is the political will, which is lacking because the obligation has not been adequately named. Parents are the natural namers, because they have the standing of having brought new humans into the very system they are advocating for. The next consequential vote, the next major purchase, the next school board meeting, the next conversation with a skeptical relative, these are the venues where the naming happens. The unborn do not need our perfection. They need our practice. They need it named.

1. Parfit, Derek. Reasons and Persons. Oxford: Oxford University Press, 1984. 2. MacAskill, William. What We Owe the Future. New York: Basic Books, 2022. 3. Ord, Toby. The Precipice: Existential Risk and the Future of Humanity. London: Bloomsbury, 2020. 4. Krznaric, Roman. The Good Ancestor: How to Think Long Term in a Short-Term World. London: WH Allen, 2020. 5. Brand, Stewart. The Clock of the Long Now: Time and Responsibility. New York: Basic Books, 1999. 6. Berry, Wendell. The Unsettling of America: Culture and Agriculture. San Francisco: Sierra Club Books, 1977. 7. Leopold, Aldo. A Sand County Almanac: And Sketches Here and There. New York: Oxford University Press, 1949. 8. Kimmerer, Robin Wall. Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge, and the Teachings of Plants. Minneapolis: Milkweed Editions, 2013. 9. Harjo, Joy. An American Sunrise: Poems. New York: W. W. Norton, 2019. 10. Somé, Malidoma Patrice. The Healing Wisdom of Africa: Finding Life Purpose Through Nature, Ritual, and Community. New York: Tarcher/Putnam, 1998. 11. Somé, Sobonfu. Welcoming Spirit Home: Ancient African Teachings to Celebrate Children and Community. Novato, CA: New World Library, 1999. 12. Menakem, Resmaa. My Grandmother's Hands: Racialized Trauma and the Pathway to Mending Our Hearts and Bodies. Las Vegas: Central Recovery Press, 2017.