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
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 land-use, early-warning, crop protection, compensation, corridor, and livelihood systems that reduce conflict in shared landscapes.
economics-resources
africa
kenya
conflict
reducing
human-elephant
harming
communities
wildlife
develop
land-use
early-warning
crop
systems
society-governance
climate-environment
global-unspecified
african
open
Pacific Ocean, Global
Establish credible baseline science, governance, monitoring, liability, and precautionary thresholds before commercial extraction irreversibly alters deep-sea ecosystems.
society-governance
pacific-ocean
biodiversity
deep-sea
preventing
damage
mining
establish
credible
baseline
science
governance
monitoring
enabling
technologies
continuous
climate-environment
Develop detection, enforcement, platform, customs, and demand-reduction systems for illegal wildlife sales shifting into encrypted and cross-border digital channels.
economics-resources
wildlife
reducing
trade
risks
online
marketplaces
develop
detection
enforcement
platform
systems
society-governance
technology-computing
digital
corruption
resilient
global-unspecified
open
Democratic Republic of the Congo, Africa
Develop monitoring approaches that work despite persistent cloud cover, fragmented enforcement, local economic dependence, and rapidly changing extraction routes.
technology-computing
africa
democratic-republic-of-the-congo
detecting
illegal
logging
cloud-covered
tropical
forests
develop
monitoring
approaches
work
society-governance
economics-resources
forest
science-space
systems
Develop safe, affordable testing, cleanup, liability, community engagement, and redevelopment methods for land-scarce cities.
social-civic-problems
europe
poland
rehabilitating
contaminated
former
industrial
land
housing
develop
safe
affordable
testing
cities
global-unspecified
methods
climate-environment
african
Design affordable intersection, lighting, speed, pedestrian, motorcycle, and enforcement improvements where rapid development outpaces road planning.
society-governance
africa
uganda
road
reducing
fatalities
informal
peri-urban
intersections
design
affordable
intersection
lighting
traffic
rural
highways
global-unspecified
asia
Create alternatives, extraction monitoring, ecological safeguards, and procurement standards to reduce river erosion, coastal damage, and illegal sand mining.
mathematics-logic
asia
india
sand
sustainable
sourcing
construction
booms
create
alternatives
extraction
monitoring
ecological
climate-environment
society-governance
global-unspecified
african
coastal
Develop affordable inspection tools and retrofit guidance for millions of older homes vulnerable to earthquakes, floods, corrosion, and progressive failure.
climate-environment
asia
turkey
detecting
structural
defects
aging
low-rise
housing
develop
affordable
inspection
tools
social-civic-problems
global-unspecified
reducing
whether
philosophy-ethics
open
Brazil, South America
Develop interoperable shipping, customs, trucking, terminal, and warehousing information systems that work across public and private actors.
social-civic-problems
south-america
brazil
systems
reducing
port
congestion
caused
fragmented
data
develop
interoperable
shipping
society-governance
technology-computing
public
economics-resources
mathematics-logic
Build verification systems that detect double counting, non-additional projects, coerced land deals, and misleading claims across carbon markets.
economics-resources
africa
kenya
supply-chain
preventing
fraud
carbon-credit
supply
chains
build
verification
systems
detect
double
society-governance
technology-computing
global-unspecified
land
open
Argentina, South America
Reduce dependence on a few suppliers for laboratory reagents, test consumables, and enzymes during epidemics and trade disruptions.
health-biology
south-america
argentina
supply-chain
reagents
building
resilient
supply
chains
diagnostic
reduce
dependence
few
suppliers
economics-resources
climate-environment
global-unspecified
whether
Create credible monitoring, worker communication, port controls, and grievance channels for crews operating far from legal oversight.
society-governance
asia
taiwan
reducing
forced
labor
risks
distant-water
fishing
fleets
create
credible
monitoring
economics-resources
global-unspecified
governance
whether
philosophy-ethics
Develop systems that reduce diversion, duplication, spoilage, and exclusion while protecting the privacy and safety of aid recipients.
society-governance
africa
sudan
tracking
humanitarian
supplies
last-mile
delivery
develop
systems
reduce
diversion
duplication
technology-computing
safety
reliable
ensuring
last
open
United States, North America
Create shared infrastructure, sanitation, deposit, tracking, and business models that make reuse work across fragmented retailers and delivery systems.
economics-resources
north-america
united-states
improving
reverse
logistics
reusable
packaging
create
shared
infrastructure
sanitation
deposit
systems
society-governance
technology-computing
ensuring
climate-environment
open
Brazil, South America
Create detection, maintenance, technician training, and replacement financing systems for high-global-warming refrigerants in food and medicine storage.
economics-resources
south-america
brazil
supply-chain
reducing
refrigerant
leakage
cold-storage
supply
chains
create
detection
maintenance
technician
systems
climate-environment
society-governance
food
open
East African Community, Africa
Create interoperable documentation, cold-chain coordination, and risk-based inspection systems that reduce spoilage without weakening safety controls.
social-civic-problems
africa
east-african-community
preventing
food
loss
border
delays
inconsistent
inspections
create
interoperable
documentation
systems
society-governance
technology-computing
safety
public
Develop worker-centered monitoring that reaches subcontractors, home-based workers, and labor brokers beyond first-tier factory audits.
economics-resources
asia
bangladesh
labor
verifying
conditions
subcontracted
manufacturing
develop
worker-centered
monitoring
reaches
subcontractors
workers
society-governance
informal
governance
african
open
South Africa, Africa
Create affordable tracking, insurance, route planning, secure handoff, and reporting systems for small transport operators facing organized theft.
local-regional
africa
south-africa
theft
reducing
cargo
fragmented
regional
logistics
networks
create
affordable
tracking
systems
economics-resources
informal
across
society-governance
open
Democratic Republic of the Congo, Africa
Develop systems that reduce child labor, conflict finance, and environmental harm while allowing artisanal miners to participate in formal markets.
climate-environment
africa
democratic-republic-of-the-congo
artisanal
miners
traceability
minerals
mines
excluding
develop
systems
reduce
child
society-governance
economics-resources
labor
governance
biometric
