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
Pets that age backward or forward according to measured human engagement create welfare and ethical dilemmas. The challenge is ensuring consistent, healthy lifespans independent of fluctuating owner behaviour.
owner
stabilising
companion
animal
aging
philosophy-ethics
Future progress on human development and planetary health depends on solving broken and dangerous road networks. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.
solutions
broken
dangerous
road
networks
social-civic-problems
Future progress on human development and planetary health depends on solving children without safe places to play. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.
solutions
children
without
safe
places
social-civic-problems
Future progress on human development and planetary health depends on solving shortage of safe parks and green spaces in cities. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.
shortage
safe
parks
green
spaces
science-space
The problem of gender segregation in school sports continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
gender
segregation
school
sports
implementing
other
The problem of weak science and technology education continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
weak
science
technology
education
building
other
Cars that self-relocate to the owner’s least preferred family member as a form of behavioural correction create unwanted social pressure and logistical disruption. The problem is designing vehicle autonomy that does not weaponise personal relationships.
preventing
autonomous
vehicles
defaulting
disliked
other
Treating quiet as a scarce, metered resource excludes those who cannot afford or schedule loans. The challenge is preserving library silence as a public good rather than a rationed commodity.
silence
expanding
free
access
when
health-biology
The problem of high rates of early school leaving continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
high
rates
early
school
leaving
other
Social bonds structured as time-limited agreements with automatic termination notices can undermine trust and long-term support networks. The problem is allowing intentional relationship boundaries without making every connection provisional and transactional.
designing
friendship
systems
auto
expire
health-biology
The problem of digital divide preventing poor children from studying online continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
sustainable
digital
divide
preventing
poor
other
Clocks that accelerate or slow according to local output targets fracture shared temporal reference. The challenge is maintaining a common civic time base while still allowing local performance incentives.
time
clocks
synchronising
public
when
local-regional
The problem of missing books, devices and learning materials continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
missing
books
devices
learning
materials
other
Future progress on human development and planetary health depends on solving insufficient training for teachers. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.
insufficient
training
teachers
strengthening
global
social-civic-problems
The problem of schools unprepared for children with special needs continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
schools
unprepared
children
special
needs
other
If parks close at night on the grounds that vegetation requires solitude, human access to green space is reduced. The problem is integrating genuine ecological rest requirements with the continuous human need for outdoor refuge and recreation.
access
balancing
public
park
claimed
science-space
The problem of lack of ramps and basic accessibility features continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.
lack
ramps
basic
accessibility
features
other
Roadways that shrink in real time based on predicted density can trap pedestrians and restrict access. The problem is managing crowd flow without creating physical bottlenecks that endanger people or exclude those with mobility needs.
preventing
streets
narrowing
automatically
under
health-biology
Companion drones assigned at birth that cannot be permanently powered down raise questions of autonomy, surveillance, and liability. The challenge is giving individuals genuine authority over devices that have been present since infancy without creating safety gaps.
over
drones
establishing
control
lifelong
health-biology
Future progress on human development and planetary health depends on solving elderly people left without adequate care. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.
solutions
elderly
people
left
without
social-civic-problems