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
If people live substantially longer, societies will need new models for work, learning, housing, dependency, and end-of-life care. Existing systems are not designed for decades of post-retirement life or multiple phases of dependency. The solution must produce useful coordination and accountability while minimizing collection of sensitive personal and behavioral data. The research opportunity is to define measurable success criteria, test the approach in realistic settings, identify failure modes, and create a pathway from prototype to accountable deployment.
social-civic-problems
asia
thailand
care
infrastructure
extreme
longevity
mass
surveillance
dependency
people
live
substantially
technology-computing
economics-resources
climate-environment
society-governance
systems
If people live substantially longer, societies will need new models for work, learning, housing, dependency, and end-of-life care. Existing systems are not designed for decades of post-retirement life or multiple phases of dependency. The design must remain functional when standards, trade routes, data access, and diplomatic cooperation are unreliable. The research opportunity is to define measurable success criteria, test the approach in realistic settings, identify failure modes, and create a pathway from prototype to accountable deployment.
economics-resources
asia
thailand
care
infrastructure
extreme
longevity
under
geopolitical
fragmentation
dependency
people
live
technology-computing
climate-environment
systems
society-governance
quantum
If people live substantially longer, societies will need new models for work, learning, housing, dependency, and end-of-life care. Existing systems are not designed for decades of post-retirement life or multiple phases of dependency. The solution must work with limited capital, intermittent services, and local maintenance capacity. The research opportunity is to define measurable success criteria, test the approach in realistic settings, identify failure modes, and create a pathway from prototype to accountable deployment.
social-civic-problems
europe
italy
care
infrastructure
extreme
longevity
low-income
communities
work
dependency
people
live
technology-computing
economics-resources
climate-environment
systems
society-governance
When personal memory archives exist solely in distributed cloud systems, sudden or gradual data loss can erase formative experiences without local backups. The challenge is building durable, verifiable, and accessible long-term personal memory infrastructure that survives corporate failure, format obsolescence, and account lapses. Solutions should remain affordable, user-controlled, and recoverable even decades later.
cloud
systems
ensuring
childhood
memories
other
open
Mexico, North America
Historical records increasingly exist in fragile digital formats that may outlive current software, vendors, and hardware. The unresolved problem is preserving public memory across decades of technological change. The challenge is especially acute in informal settlements, where legacy systems, coordination failures, and weak oversight can magnify harm.
technology-computing
north-america
mexico
public
digital
informal
settlements
protection
archives
against
extinction
historical
records
society-governance
systems
across
institutions
climate-environment
Digitizing land records can improve access while also enabling new forms of fraud, corruption, and system failure. The challenge is designing registry governance that protects ownership claims, customary rights, and dispute resolution over decades. The challenge is especially acute in informal settlements, where legacy systems, coordination failures, and weak oversight can magnify harm.
society-governance
europe
germany
land
fraud
informal
settlements
making
registries
resilient
against
data
loss
systems
technology-computing
public
across
climate-environment
open
Global / Unspecified, Global
Many critical systems, including in banking and government, still run on decades-old code that few current developers understand, and automated modernization tools remain unreliable for anything but simple cases. This leaves critical infrastructure dependent on shrinking expertise.
technology-computing
global-unspecified
systems
code
yet
build
software
automatically
reliably
translate
legacy
modern
society-governance
mathematics-logic
whether
philosophy-ethics
critical
public
open
Global / Unspecified, Global
Video files, especially in high resolution, still require significant storage and bandwidth despite decades of compression research, and further meaningful improvements have become harder to achieve. This constrains streaming quality and cost, especially in areas with limited bandwidth.
philosophy-ethics
global-unspecified
compression
video
yet
build
data
methods
meaningfully
outperform
current
standards
whether
climate-environment
technology-computing
mathematics-logic
open
way
open
Global / Unspecified, Global
Documents with rich formatting, fonts, or embedded content can still look different or break entirely when opened in different software or on different devices. A truly universal, faithful format remains elusive despite decades of digital document use.
technology-computing
global-unspecified
truly
universal
format
documents
software
devices
different
build
file
preserves
whether
philosophy-ethics
mathematics-logic
haven
determine
resolved
open
Global / Unspecified, Global
Most software vulnerabilities trace back to common coding mistakes that better language design could prevent from the start. Despite decades of research, mainstream programming still makes these mistakes easy to make.
technology-computing
global-unspecified
programming
make
don
have
languages
writing
secure
bug-free
code
default
whether
philosophy-ethics
way
determine
resolved
agreed
open
Global / Unspecified, Global
Over the next two decades, rising resistance in bacteria, fungi, and parasites risks undermining surgery, chemotherapy, and intensive care. Global surveillance networks, rapid diagnostics, and new antimicrobial development platforms are crucial to avert a post-antibiotic era.
health-biology
global-unspecified
antimicrobial
resistance
over
next
decades
make
routine
infections
deadly
again
will
data
climate-environment
society-governance
infrastructure
europe
open
Global / Unspecified, Global
Deforestation, wildlife trade, and dense urbanisation increase contact between humans and animal reservoirs, enabling novel pathogens to emerge. Planetary-health surveillance systems and adaptable vaccine platforms will be essential.
health-biology
global-unspecified
deforestation
future
pandemics
driven
zoonotic
spillover
likely
become
frequent
variant
focuses
society-governance
systems
data
technology-computing
infrastructure
open
Global / Unspecified, Global
Rising stress, social isolation, and economic precarity will increase depression, anxiety, and cognitive disorders, especially among youth. Scalable digital therapeutics and integrated community mental-health ecosystems are needed.
economics-resources
global-unspecified
mental-health
health
disorders
will
among
mental
neurodevelopmental
largest
burdens
variant
health-biology
society-governance
data
african
technology-computing
climate-environment
open
Global / Unspecified, Global
AI tools will increasingly support diagnosis and triage, but biases and opaque models may harm patients. Transparent validation frameworks, audit trails, and clinician–AI training curricula will be key.
climate-environment
global-unspecified
will
human
collaboration
clinical
decision-making
need
rigorous
oversight
variant
focuses
society-governance
infrastructure
data
technology-computing
health-biology
climate
open
Global / Unspecified, Global
mRNA and vector-based technologies can shorten response times, but manufacturing capacity and regulatory agility must be built in advance. Global manufacturing networks and adaptive trial designs will matter.
health-biology
global-unspecified
must
next-generation
vaccine
platforms
ready
respond
weeks
new
threats
variant
infrastructure
will
climate-environment
data
technology-computing
society-governance
open
Global / Unspecified, Global
Persistent symptoms after infections strain health systems and productivity, yet mechanisms are incompletely understood. Large longitudinal cohorts and mechanistic studies are needed to inform care pathways.
health-biology
global-unspecified
long
covid
post-viral
syndromes
may
remain
significant
burden
2030s
variant
data
society-governance
systems
economics-resources
will
health
open
Global / Unspecified, Global
Cell and gene therapies may deliver durable remissions but have complex safety profiles. Post-marketing registries and patient-reported outcome platforms can close knowledge gaps.
climate-environment
global-unspecified
data
therapies
new
cancer
will
demand
better
real-world
understand
long-term
society-governance
technology-computing
infrastructure
african
systems
europe
open
Global / Unspecified, Global
Displaced populations will need continuity of care for chronic diseases and mental health. Portable health records and mobile-clinic platforms can help.
health-biology
global-unspecified
mental-health
will
climate-linked
displacement
create
new
health-service
needs
migrants
variant
focuses
health
infrastructure
data
society-governance
climate-environment
open
Europe / Unspecified, Europe
Bridges, tunnels, and rail lines built decades ago require expensive renovation at a time of fiscal pressure. Asset-condition mapping and lifecycle-finance tools can prioritise investment.
climate-environment
europe
europe-unspecified
ageing
transport
infrastructure
needs
major
renewal
bridges
tunnels
rail
african
systems
africa
climate
global-unspecified
remains
open
Global / Unspecified, Global
Economic growth has not been inclusive enough, leaving large groups in informal, low-paying work without safety nets. Targeted cash transfers and universal basic social protection floors could reduce extreme poverty.
economics-resources
global-unspecified
growth
millions
live
less
day
despite
decades
economic
has
not
informal
african
settlements
society-governance
work
social