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
Develop practical methods to map water, sewer, power, gas, and telecom networks where records are incomplete and excavation is dangerous.
climate-environment
asia
india
managing
underground
utility
maps
unplanned
urban
growth
develop
practical
methods
water
society-governance
global-unspecified
african
restoring
open
Argentina, South America
Assess when and how neglected rail lines can be rehabilitated for low-carbon freight, regional development, and resilient transport.
climate-environment
south-america
argentina
rail
freight
restoring
corridors
abandoned
road
competition
assess
neglected
lines
across
europe
underperforms
infrastructure
united-states
Develop collection, design, incentives, maintenance, and community-governance solutions that prevent drains from becoming chronic flood and disease hazards.
climate-environment
africa
nigeria
maintaining
drainage
systems
neighborhoods
solid-waste
accumulation
develop
collection
design
incentives
society-governance
solutions
health-biology
health
environmental
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
Create systems to track quality, environmental impact, labor conditions, and price integrity for sand, cement, steel, timber, and aggregates.
climate-environment
asia
india
transparent
sourcing
construction
materials
public
projects
create
systems
track
quality
society-governance
across
without
quantum
governance
Create traceability and enforcement systems that stop unusable textile waste from being labeled as reusable goods and exported to vulnerable communities.
climate-environment
africa
ghana
waste
preventing
dumping
opaque
textile-export
channels
create
traceability
enforcement
systems
society-governance
economics-resources
global-unspecified
plastic
recovery
Develop practical alternatives to diesel for small trucks, boats, and last-mile vehicles serving dispersed rural communities.
climate-environment
asia
indonesia
rural
decarbonizing
low-volume
freight
transport
develop
practical
alternatives
diesel
small
economics-resources
access
remains
society-governance
african
Build convenient, safe, financially viable collection and repair channels for phones, chargers, cables, and small devices that otherwise enter household waste.
climate-environment
asia
india
collection
small
circular
systems
electronics
build
convenient
safe
financially
viable
economics-resources
local
recovery
waste
global-unspecified
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
Develop wheelchairs, prosthetics, hearing aids, and mobility devices that withstand heat, humidity, dust, rough roads, and limited repair networks.
climate-environment
africa
uganda
devices
affordable
assistive
adapted
tropical
climates
develop
wheelchairs
prosthetics
hearing
global-unspecified
philosophy-ethics
whether
haven
technology-computing
open
Mexico, North America
Develop fair consultation, compensation, benefit-sharing, ecological assessment, and appeals systems for large solar, wind, and transmission projects.
climate-environment
north-america
mexico
resolving
conflicts
over
renewable-energy
land
acquisition
develop
fair
consultation
compensation
society-governance
systems
making
global-unspecified
philosophy-ethics
Create safety, legal, financial, and networked support systems for local actors who challenge falsehoods in polarized or authoritarian environments.
climate-environment
africa
kenya
protecting
community
fact-checkers
retaliation
create
safety
legal
financial
networked
support
local
actors
might
systems
mathematics-logic
Design affordable resilient school infrastructure, continuity plans, safe routes, and learning systems for children facing repeated climate disruptions.
climate-environment
oceania
vanuatu
safeguarding
schools
against
heat
floods
cyclone
disruption
design
affordable
resilient
systems
technology-computing
under
climate
social-civic-problems
Develop methods to quantify livelihoods, health, culture, land, and social losses caused by drought, salinization, erosion, and chronic heat.
climate-environment
measuring
loss
damage
household
level
slow-onset
disasters
develop
methods
quantify
climate
economics-resources
global-unspecified
health-biology
health
whether
relocation
Create water, waste, energy, land-use, and visitor-management systems that support residents as climate stress and seasonal tourism intensify.
climate-environment
asia
maldives
water-scarcity
tourism
adaptation
islands
facing
freshwater
scarcity
pressure
create
water
waste
climate
systems
under
society-governance
Create trusted local communication systems that counter false evacuation, health, aid, and weather claims before they cause physical harm.
climate-environment
preventing
climate
misinformation
during
disaster
response
create
trusted
local
communication
society-governance
systems
health-biology
public
health
technology-computing
fiscal
open
Chile, South America
Design water-allocation and enforcement systems that reduce consumption among high users without shifting disproportionate burdens onto low-income residents.
climate-environment
south-america
chile
making
drought
restrictions
equitable
unequal
cities
design
water-allocation
enforcement
systems
society-governance
economics-resources
global-unspecified
public
social-civic-problems
Combine local wastewater control, fisheries governance, restoration science, and heat-stress response to preserve reefs under repeated marine heatwaves.
climate-environment
oceania
australia
local
preventing
coral
reef
collapse
stressors
combine
wastewater
control
society-governance
under
governance
global-unspecified
bleaching
african
Develop durable, low-cost road, bridge, drainage, and maintenance approaches for areas facing increasingly erratic rainfall and flooding.
climate-environment
africa
mozambique
climate-proofing
rural
roads
connect
farmers
markets
develop
durable
low-cost
road
urban
african
economics-resources
infrastructure
access
open
South Africa, Africa
Develop species selection, watering, soil protection, maintenance financing, and monitoring systems that allow urban tree canopies to survive rapid development.
climate-environment
africa
south-africa
urban
protecting
trees
during
heat
drought
construction
develop
species
selection
systems
society-governance
global-unspecified
cities
economics-resources