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.
4094Total
4094Open
0Solved
9Humans
Develop systems that preserve chain of custody, privacy, authenticity, and access in jurisdictions with uneven digital capacity and public trust.
technology-computing
asia
india
digital
secure
evidence
collection
local
police
courts
develop
systems
preserve
society-governance
public
across
trust
global-unspecified
open
European Union, Europe
Create verification, dependency management, secure update, open-source support, and contracting standards for software bought by public institutions.
technology-computing
europe
european-union
software
public
reducing
supply-chain
vulnerabilities
procurement
create
verification
dependency
management
society-governance
institutions
designing
systems
global-unspecified
open
Mexico, North America
Develop detection, remediation, legal accountability, secure-device access, and emergency support systems for targeted civil-society actors.
society-governance
north-america
mexico
protecting
activists
commercial
spyware
develop
detection
remediation
legal
accountability
secure-device
systems
technology-computing
global-unspecified
intergenerational
whether
open
United States, North America
Create accessible cybersecurity, segmentation, monitoring, emergency operations, and workforce tools for water utilities with aging operational technology.
technology-computing
north-america
united-states
cybersecurity
water
securing
municipal
systems
cyber-physical
attacks
create
accessible
segmentation
climate-environment
global-unspecified
society-governance
monitoring
urban
Develop technical and legal systems that enable multi-country research collaboration without exposing patients to reidentification or discriminatory misuse.
health-biology
research
privacy-preserving
health-data
sharing
rare
disease
develop
technical
legal
systems
society-governance
philosophy-ethics
global-unspecified
mathematics-logic
technology-computing
whether
economics-resources
Create stronger identity verification, telecom accountability, transaction limits, dispute resolution, and consumer protection against number hijacking.
society-governance
africa
nigeria
preventing
sim-swap
fraud
mobile-first
economies
create
stronger
identity
verification
telecom
land
systems
social-civic-problems
technology-computing
mobile
Build authentication, redundancy, anomaly detection, and governance systems that prevent manipulation or denial of critical Earth-observation data.
society-governance
data
securing
satellite
disaster-response
agencies
build
authentication
redundancy
anomaly
detection
systems
technology-computing
global-unspecified
whether
philosophy-ethics
governance
mathematics-logic
Develop managed security, offline backups, rapid recovery, and incident-response systems suitable for schools with limited IT budgets and staff.
social-civic-problems
asia
india
schools
protecting
low-resource
ransomware
develop
managed
security
offline
backups
rapid
systems
technology-computing
low
society-governance
resource
Create practical inventories, cryptographic transition plans, testing frameworks, and procurement standards for government systems vulnerable to future quantum attacks.
society-governance
post-quantum
migration
public
digital
infrastructure
create
practical
inventories
cryptographic
transition
systems
technology-computing
quantum
standards
climate-environment
open
United States, North America
Develop standards and low-cost protections for irrigation controllers, sensors, drones, and farm equipment that may become attack vectors.
economics-resources
north-america
united-states
securing
agricultural
iot
devices
against
large-scale
compromise
develop
standards
low-cost
without
irrigation
diesel
health-biology
low
Create affordable security monitoring, backup, staff training, and recovery systems for hospitals without dedicated cybersecurity teams.
technology-computing
cybersecurity
hospitals
detecting
cyberattacks
small
service
disruption
create
affordable
security
monitoring
systems
health-biology
economics-resources
society-governance
global-unspecified
whether
open
Central African Republic, Africa
Develop approaches for safeguarding wildlife, rangers, local communities, and habitats where conflict undermines governance and fuels extraction.
society-governance
africa
central-african-republic
biodiversity
protecting
conflict-affected
conservation
landscapes
develop
approaches
safeguarding
wildlife
rangers
economics-resources
communities
ecosystems
local
climate-environment
Develop standards, sensing, urban design, and public awareness interventions to reduce disruption of insects, birds, turtles, and nocturnal ecosystems.
mathematics-logic
measuring
ecological
impacts
night-time
artificial
lighting
develop
standards
sensing
urban
public
global-unspecified
climate-environment
society-governance
reduce
social-civic-problems
heat
open
South Africa, Africa
Develop lawful anti-poaching technologies and intelligence systems that protect wildlife without militarizing conservation or harming local communities.
society-governance
africa
south-africa
preventing
poaching
enabled
cheap
drones
encrypted
coordination
develop
lawful
anti-poaching
systems
communities
economics-resources
technology-computing
public
Develop mapping, protection, restoration, anchoring, wastewater, and fisheries management systems for seagrass ecosystems.
climate-environment
africa
tanzania
seagrass
restoring
meadows
under
coastal
development
pressure
develop
mapping
protection
systems
society-governance
economics-resources
climate
migration
Build long-term evidence and mitigation systems for impacts of wind, solar, transmission, hydropower, and battery-mineral extraction on ecosystems.
climate-environment
biodiversity
monitoring
effects
renewable-energy
expansion
build
long-term
evidence
mitigation
systems
society-governance
long
term
real
time
mathematics-logic
open
Brazil, South America
Develop enforceable systems that ensure indigenous peoples and local communities share in benefits from commercial use of biological resources and knowledge.
mathematics-logic
south-america
brazil
creating
fair
benefit-sharing
bioprospecting
develop
enforceable
systems
ensure
indigenous
peoples
society-governance
communities
economics-resources
public
technology-computing
Develop integrated fisheries, water-flow, pollution, invasive-species, and habitat strategies for ecosystems supporting millions of people.
climate-environment
asia
bangladesh
safeguarding
freshwater
fish
diversity
megadeltas
develop
integrated
fisheries
water-flow
pollution
ecosystems
economics-resources
protection
global-unspecified
philosophy-ethics
Create rapid assessment, habitat protection, captive breeding, community stewardship, and funding models for species discovered in highly localized habitats.
local-regional
africa
madagascar
species
preventing
extinction
known
only
tiny
ranges
create
rapid
assessment
global-unspecified
philosophy-ethics
mathematics-logic
have
prevent
Develop indicators, incentives, and farming practices that preserve soil fungi, invertebrates, microbes, and structure while sustaining production.
climate-environment
europe
france
biodiversity
soil
protecting
intensive
agriculture
develop
indicators
incentives
farming
practices
global-unspecified
restoring
philosophy-ethics
methods
haven