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
Global / Unspecified, Global
Underrepresented groups face barriers in tech and science. Inclusive incubators and funding programs can address this.
society-governance
global-unspecified
innovation
ecosystems
lack
diversity
inclusion
underrepresented
groups
face
barriers
tech
african
remains
access
africa
economics-resources
disabilities
open
Global / Unspecified, Global
Asset management relies on manual surveys. Remote sensing and digital twins can improve planning.
technology-computing
global-unspecified
data
infrastructure
condition
outdated
asset
management
relies
manual
surveys
remote
digital
african
systems
society-governance
urban
informal
open
Global / Unspecified, Global
Heavy industry is hard to abate. R&D into low-carbon industrial processes is critical.
climate-environment
global-unspecified
industrial
emissions
remain
high
clear
decarbonization
pathways
heavy
industry
hard
society-governance
fast
growing
economics-resources
achieving
towns
open
Global / Unspecified, Global
Top incomes grow faster than those of the majority. Progressive taxation and social transfers can counteract this.
economics-resources
global-unspecified
income
wealth
inequality
have
risen
economies
top
incomes
grow
faster
philosophy-ethics
whether
determine
don
agreed
way
open
Global / Unspecified, Global
Some regions lag far behind others in services and jobs. Place-based policies and investment can rebalance.
local-regional
global-unspecified
regional
disparities
countries
persist
some
regions
lag
far
behind
others
whether
philosophy-ethics
remains
african
resolved
mathematics-logic
open
Global / Unspecified, Global
Minority groups face barriers to opportunity. Anti-discrimination enforcement and affirmative policies are needed.
local-regional
global-unspecified
discrimination
based
race
ethnicity
caste
continues
minority
groups
face
barriers
african
philosophy-ethics
remains
society-governance
climate-environment
social-civic-problems
open
Global / Unspecified, Global
High housing costs and immigration rules restrict movement to opportunity-rich areas. Mobility-support policies can expand choice.
social-civic-problems
global-unspecified
barriers
mobility
limit
opportunity
high
housing
costs
immigration
rules
restrict
african
affordable
systems
climate-environment
access
remains
open
Global / Unspecified, Global
Unbanked households cannot save or invest. Expanding inclusive finance reduces gaps.
social-civic-problems
global-unspecified
gaps
financial
inclusion
widen
inequality
unbanked
households
cannot
save
invest
african
economics-resources
remains
students
primary
digital
open
Global / Unspecified, Global
Poor children attend lower-quality schools. Targeted school improvement in poor areas can break cycles.
social-civic-problems
global-unspecified
education
inequality
entrenches
intergenerational
disadvantage
poor
children
attend
lower-quality
schools
remain
displaced
school
asia
low
health-biology
open
Global / Unspecified, Global
Accessibility issues and attitudes restrict participation. Inclusive design and enforcement can help.
social-civic-problems
global-unspecified
people
disabilities
face
systemic
barriers
accessibility
attitudes
restrict
participation
inclusive
access
african
public
society-governance
digital
open
Global / Unspecified, Global
Policies often ignore overlapping identities. Better data and analysis can inform nuanced interventions.
society-governance
global-unspecified
data
intersectional
inequalities
limited
policies
often
ignore
overlapping
identities
better
technology-computing
african
systems
incomplete
sparse
whether
open
Global / Unspecified, Global
Slum residents lack secure tenure, water, and sanitation. Upgrading programs and tenure regularization can improve conditions.
society-governance
global-unspecified
informal
settlements
continue
grow
basic
services
tenure
slum
residents
lack
economics-resources
african
urban
social-civic-problems
systems
open
Global / Unspecified, Global
Car-centric planning causes gridlock and accidents. Mass transit and safe walking-cycling infrastructure are needed.
society-governance
global-unspecified
urban
transport
systems
congested
unsafe
car-centric
planning
causes
gridlock
accidents
public
technology-computing
climate-environment
african
cities
without
open
Global / Unspecified, Global
High urban housing costs exceed incomes. Affordable housing finance and supply-side interventions can help.
social-civic-problems
global-unspecified
housing
affordability
crises
push
families
precarious
living
conditions
high
urban
affordable
african
resources
cities
economics-resources
climate-environment
open
Global / Unspecified, Global
Vehicle and industrial emissions drive smog. Emission standards and clean transport can improve air.
climate-environment
global-unspecified
air
urban
quality
worsening
cities
vehicle
industrial
emissions
drive
smog
african
pollution
society-governance
asia
open
Global / Unspecified, Global
Development encroaches on parks and open areas. Urban greening policies and protections are needed.
science-space
global-unspecified
public
green
space
shrinking
development
encroaches
parks
open
areas
urban
society-governance
climate-environment
technical
african
haven
standards
open
Global / Unspecified, Global
Floods, earthquakes, and storms hit ill-prepared cities. Risk-sensitive planning and early-warning systems can reduce impacts.
climate-environment
global-unspecified
urban
disaster
risk
management
underdeveloped
floods
earthquakes
storms
hit
ill-prepared
systems
cities
society-governance
african
water
climate
open
Global / Unspecified, Global
Residents have little say in planning decisions. Digital participation tools and local councils can improve voice.
society-governance
global-unspecified
participatory
urban
governance
mechanisms
weak
residents
have
little
say
planning
digital
technology-computing
african
decisions
local
whether
open
Global / Unspecified, Global
Landfills and dumping persist. Circular waste industries and source separation can help.
climate-environment
global-unspecified
waste-management
waste
urban
management
systems
struggle
volume
recycling
landfills
dumping
persist
economics-resources
plastic
circular
african
open
Global / Unspecified, Global
Street vendors and informal services go uncounted. Inclusive data collection can inform policy.
society-governance
global-unspecified
data
informal
urban
economies
sparse
street
vendors
services
uncounted
inclusive
settlements
technology-computing
systems
african
without
local