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.
Publicly citable
Every problem has a stable citation code for reference and discussion.
Filtered by relevance
Search by category, geography, status, and keywords.
Builder-oriented
Use the repository to find startup ideas, policy leads, and research agendas.
4194Total
4194Open
0Solved
9Humans
open
Mexico, North America
A persistent gap exists in realizing practical, scalable solutions for protocols for the ethical sharing and use of data from wearable and environmental sensors. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
north-america
mexico
practical
protocols
ethical
sharing
data
wearable
environmental
sensors
realization
persistent
solutions
systems
methods
scalable
governance
A persistent gap exists in realizing practical, scalable solutions for education pathways preparing workforces for AI-augmented and green economies. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
africa
kenya
education
pathways
preparing
workforces
ai-augmented
green
economies
robust
methods
enabling
solutions
systems
scalable
technologies
governance
A persistent gap exists in realizing practical, scalable solutions for therapeutics targeting the shared biological pathways underlying multiple chronic diseases. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
europe
netherlands
therapeutics
targeting
shared
biological
pathways
underlying
multiple
chronic
diseases
overcoming
solutions
systems
methods
scalable
practical
A persistent gap exists in realizing practical, scalable solutions for near-ambient reversible hydrogen storage with high volumetric density. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
africa
tanzania
near-ambient
reversible
hydrogen
storage
high
volumetric
density
overcoming
barriers
persistent
solutions
systems
scalable
methods
practical
A persistent gap exists in realizing practical, scalable solutions for methods for assessing the cumulative impacts of multiple environmental stressors on ecosystems. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
thailand
methods
assessing
cumulative
impacts
multiple
environmental
stressors
ecosystems
deployable
technologies
solutions
systems
scalable
climate-environment
governance
A persistent gap exists in realizing practical, scalable solutions for interventions that close gender and socioeconomic gaps in access to digital technologies. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
africa
kenya
interventions
close
gender
socioeconomic
gaps
access
digital
technologies
field-ready
systems
solutions
methods
scalable
enabling
governance
A persistent gap exists in realizing practical, scalable solutions for field-deployable PFAS-degrading microbial or catalytic consortia. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
europe
france
field-deployable
pfas-degrading
microbial
catalytic
consortia
robust
methods
enabling
persistent
gap
solutions
systems
scalable
technologies
governance
A persistent gap exists in realizing practical, scalable solutions for institutional arrangements that reduce the lag between innovation and equitable access to health technologies. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
pakistan
institutional
arrangements
reduce
lag
between
innovation
equitable
access
health
technologies
solutions
systems
methods
enabling
scalable
A persistent gap exists in realizing practical, scalable solutions for interventions that improve the quality of democratic participation and representation. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
europe
germany
interventions
improve
quality
democratic
participation
representation
integrated
pathways
persistent
gap
solutions
systems
methods
scalable
practical
open
Chile, South America
A persistent gap exists in realizing practical, scalable solutions for protocols for the responsible conduct of research involving human enhancement technologies. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
south-america
chile
protocols
responsible
conduct
research
involving
human
enhancement
technologies
development
persistent
solutions
systems
governance
methods
scalable
open
New Zealand, Oceania
A persistent gap exists in realizing practical, scalable solutions for biotechnologies for engineering microbes that degrade persistent environmental pollutants. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
oceania
new-zealand
engineering
persistent
biotechnologies
microbes
degrade
environmental
pollutants
integrated
pathways
gap
solutions
systems
methods
scalable
practical
A persistent gap exists in realizing practical, scalable solutions for design principles for cities that remain livable under 3 C of global warming. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
europe
portugal
remain
under
design
principles
cities
livable
warming
breakthrough
approaches
solutions
systems
methods
climate-environment
scalable
governance
A persistent gap exists in realizing practical, scalable solutions for technologies enabling continuous monitoring of biodiversity in remote and marine ecosystems. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
oceania
fiji
biodiversity
enabling
technologies
continuous
monitoring
remote
marine
ecosystems
robust
methods
solutions
systems
climate-environment
scalable
A persistent gap exists in realizing practical, scalable solutions for designs for transportation systems that remain functional under extreme weather and energy constraints. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
thailand
remain
under
constraints
designs
transportation
systems
functional
extreme
weather
energy
solutions
climate-environment
methods
ensuring
scalable
open
Paraguay, South America
A persistent gap exists in realizing practical, scalable solutions for institutional designs that increase public trust in scientific institutions and advice. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
south-america
paraguay
institutional
scientific
designs
increase
public
trust
institutions
advice
integrated
pathways
solutions
systems
scalable
methods
governance
open
Argentina, South America
A persistent gap exists in realizing practical, scalable solutions for prognostic monitoring of aging dams and bridges under climate extremes. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
south-america
argentina
under
prognostic
monitoring
aging
dams
bridges
climate
extremes
breakthrough
approaches
solutions
systems
climate-environment
methods
scalable
A persistent gap exists in realizing practical, scalable solutions for mangrove designs accelerating accretion under rapid sea-level rise. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
africa
nigeria
under
mangrove
designs
accelerating
accretion
rapid
sea-level
rise
breakthrough
approaches
solutions
systems
methods
scalable
institutional
A persistent gap exists in realizing practical, scalable solutions for education approaches that build scientific literacy and critical thinking from early childhood. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
oceania
fiji
scientific
education
approaches
build
literacy
critical
thinking
early
childhood
deployable
solutions
systems
methods
scalable
technologies
open
Brazil, South America
A persistent gap exists in realizing practical, scalable solutions for design principles for digital public services that remain inclusive of low-literacy users. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
south-america
brazil
remain
design
principles
digital
public
services
inclusive
low-literacy
users
deployable
solutions
systems
scalable
methods
governance
open
Paraguay, South America
A persistent gap exists in realizing practical, scalable solutions for robust methods for measuring and improving subjective well-being at population scale. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
south-america
paraguay
scalable
solutions
robust
methods
measuring
improving
subjective
well-being
population
scale
systems
climate-environment
enabling
governance
technologies