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
The absence of robust, context-adapted solutions for institutional designs that increase the capacity of local governments to manage climate risks creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.
society-governance
europe
sweden
risks
robust
institutional
designs
increase
capacity
local
governments
manage
climate
systems
solutions
climate-environment
methods
enabling
open
Bolivia, South America
The absence of robust, context-adapted solutions for desalination processes that co-recover fertilizer nutrients creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.
society-governance
south-america
bolivia
desalination
processes
co-recover
fertilizer
nutrients
practical
realization
absence
robust
context-adapted
solutions
systems
climate-environment
methods
enabling
The absence of robust, context-adapted solutions for governance models for ensuring the safety and reliability of AI systems used in military applications creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.
society-governance
europe
france
governance
systems
models
ensuring
safety
reliability
military
applications
overcoming
barriers
solutions
climate-environment
methods
robust
enabling
open
Costa Rica, North America
The absence of robust, context-adapted solutions for interventions restoring adaptive immune repertoire diversity with age creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.
society-governance
north-america
costa-rica
robust
interventions
restoring
adaptive
immune
repertoire
diversity
age
methods
enabling
solutions
systems
climate-environment
governance
technologies
The absence of robust, context-adapted solutions for adaptive living shorelines keeping pace with accelerating sea-level rise creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.
society-governance
africa
kenya
adaptive
living
shorelines
keeping
pace
accelerating
sea-level
rise
breakthrough
approaches
solutions
systems
climate-environment
robust
methods
