Repository of problems worth solving
World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.
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4194Total
4194Open
0Solved
9Humans
open
Global / Unspecified, Global
Various theories of justice suggest different principles, from strict equality to rewarding merit to prioritizing the worst-off, but no consensus exists on which approach is actually fair. This disagreement fuels ongoing political and economic conflict.
economics-resources
global-unspecified
haven
solved
justly
distribute
resources
world
vast
inequality
various
theories
philosophy-ethics
whether
resolved
mathematics-logic
determine
know
open
Global / Unspecified, Global
Different criteria, such as consciousness, potential, or biological humanity, lead to very different conclusions about when personhood begins or ends. This unresolved question sits at the center of major bioethical debates.
philosophy-ethics
global-unspecified
personhood
don
know
define
way
resolves
hard
edge
cases
like
whether
resolved
determine
haven
mathematics-logic
have
open
Global / Unspecified, Global
Some philosophers argue honesty is an absolute duty, while others believe consequences justify occasional deception, particularly to prevent harm. Real situations in medicine and relationships constantly test where this line actually falls.
health-biology
global-unspecified
haven
figured
out
whether
ever
morally
permissible
lie
someone
own
philosophy-ethics
resolved
know
determine
mathematics-logic
ethical
open
Global / Unspecified, Global
Some ethical theories suggest we're obligated to give up significant comfort to help distant strangers, while common intuition treats this as admirable but optional. Reconciling these views remains an unresolved challenge in ethics.
philosophy-ethics
global-unspecified
don
have
clear
answer
personal
sacrifice
morality
actually
requires
some
whether
resolved
determine
know
haven
agreed
open
Global / Unspecified, Global
Retributive theories argue wrongdoers deserve punishment regardless of outcomes, while consequentialist views justify it only if it produces better results. This unresolved disagreement shapes debates over criminal justice reform.
society-governance
global-unspecified
punishment
only
don
know
ever
truly
justified
useful
deterrent
retributive
philosophy-ethics
whether
resolved
haven
determine
mathematics-logic
open
Global / Unspecified, Global
Skeptical arguments suggest we can never be fully certain the external world matches our perceptions of it, and no response has fully silenced this doubt. This ancient problem remains foundational to epistemology.
mathematics-logic
global-unspecified
our
haven
resolved
whether
possible
have
genuine
knowledge
anything
beyond
philosophy-ethics
know
every
mathematical
open
Global / Unspecified, Global
Consequentialist and deontological ethics offer fundamentally different answers, and thought experiments pitting them against each other rarely produce consensus. This tension underlies many real-world moral dilemmas.
philosophy-ethics
global-unspecified
its
don
have
agreed
way
determine
whether
action
wrong
because
resolved
know
haven
open
Global / Unspecified, Global
Common moral intuition treats strangers as owed some consideration, but the philosophical basis for this duty, especially toward those far away, remains contested. This affects debates about charity, foreign aid, and global responsibility.
philosophy-ethics
global-unspecified
don
know
justify
our
obligations
people
never
meet
interact
common
whether
resolved
determine
haven
mathematics-logic
ethical
open
Global / Unspecified, Global
If aesthetic judgments are purely subjective, calling any art objectively better than another becomes philosophically difficult to defend. Yet most people act as though some works are genuinely superior, not just differently liked.
philosophy-ethics
global-unspecified
aesthetic
haven
figured
out
whether
beauty
value
objective
entirely
dependent
resolved
know
mathematics-logic
determine
possible
open
Global / Unspecified, Global
Some philosophers argue that creating new life is never straightforwardly good given the guaranteed hardships of existence, while most people reject this conclusion intuitively. This unresolved tension underlies debates in population ethics.
philosophy-ethics
global-unspecified
new
people
existence
given
don
have
resolved
answer
whether
ethical
determine
know
haven
mathematics-logic
open
Global / Unspecified, Global
From childhood to old age, nearly everything about a person changes, yet we treat them as a single continuous identity, and no philosophical account of why has settled the matter. This affects questions about responsibility for past actions.
mathematics-logic
global-unspecified
person
don
know
makes
someone
same
over
time
despite
constant
whether
philosophy-ethics
resolved
determine
haven
agreed
open
Global / Unspecified, Global
Some argue that failing to prevent harm when you're capable is morally equivalent to causing it, while others maintain a meaningful distinction between action and inaction. This unresolved question shapes debates over charitable obligation.
philosophy-ethics
global-unspecified
prevent
haven
resolved
whether
humans
have
duty
suffering
didn
directly
know
determine
mathematics-logic
don
ethical
open
Global / Unspecified, Global
Rights are typically grounded in things like rational agency or the ability to make claims, criteria animals may not meet, yet many people believe animals deserve protection regardless. Settling this remains an unresolved ethical challenge.
philosophy-ethics
global-unspecified
animals
rights
don
have
agreed-upon
way
determine
whether
nonhuman
hold
resolved
agreed
haven
open
Global / Unspecified, Global
If advanced artificial systems could one day be conscious, we'd face serious ethical obligations toward them, but we lack any reliable test for detecting genuine inner experience. This uncertainty already complicates debates about AI rights and welfare.
philosophy-ethics
global-unspecified
don
know
whether
consciousness
exist
something
isn
biological
advanced
artificial
resolved
haven
determine
mathematics-logic
ethical
open
Global / Unspecified, Global
Some argue that a painless death still deprives an animal of a future it would have otherwise had, while others see humane treatment as sufficient justification. This unresolved debate shapes ongoing arguments about ethical food choices.
philosophy-ethics
global-unspecified
death
haven
resolved
whether
morally
acceptable
eat
animals
treated
humanely
know
determine
mathematics-logic
ethical
don
open
Global / Unspecified, Global
Some philosophers treat privacy as essential to human dignity and autonomy, while others see it as a practical arrangement that can be reasonably traded away for security or convenience. This unresolved question underlies major surveillance debates.
economics-resources
global-unspecified
privacy
convenience
don
have
clear
answer
whether
fundamental
right
simply
philosophy-ethics
resolved
know
determine
haven
mathematics-logic
open
Global / Unspecified, Global
We tend to believe humanity has become more moral over time, abolishing slavery and expanding rights, but philosophers debate whether this represents real progress or just changing preferences. Settling this affects how confident we can be about future ethical judgments.
philosophy-ethics
global-unspecified
whether
moral
progress
ethical
don
know
genuinely
possible
views
simply
resolved
haven
determine
mathematics-logic
open
Global / Unspecified, Global
Utilitarian arguments often justify this tradeoff by pointing to lives saved, while animal rights perspectives reject using sentient beings purely as means to human ends. This unresolved tension remains central to biomedical ethics.
philosophy-ethics
global-unspecified
human
lives
haven
figured
out
whether
ethical
animals
scientific
research
resolved
know
determine
mathematics-logic
possible
open
Global / Unspecified, Global
Many ethical frameworks tie moral status to rationality or self-awareness, which complicates how we justify the strong obligations most people feel toward those without these capacities. This unresolved gap remains ethically significant.
philosophy-ethics
global-unspecified
obligations
people
don
have
agreed
way
determine
owe
severe
cognitive
whether
resolved
haven
open
Global / Unspecified, Global
Some philosophers argue true morality requires genuine concern for others, while others believe self-interest can align with moral behavior without undermining its validity. This unresolved question touches on the deepest motivations behind ethical action.
philosophy-ethics
global-unspecified
while
don
know
whether
possible
act
morally
remaining
entirely
self-interested
resolved
haven
mathematics-logic
determine