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
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
A persistent gap exists in realizing practical, scalable solutions for methods for quantifying and reducing the welfare impacts of wild animal suffering. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.
society-governance
asia
south-korea
methods
quantifying
reducing
welfare
impacts
wild
animal
suffering
deployable
technologies
solutions
systems
scalable
climate-environment
practical
open
Ecuador, South America
Current approaches to methods for assessing the long-term social and environmental impacts of large-scale technological change either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.
mathematics-logic
south-america
ecuador
long-term
methods
assessing
social
environmental
impacts
large-scale
technological
change
development
society-governance
climate-environment
systems
enabling
governance
open
Argentina, South America
Achieving biotechnologies enabling the sustainable production of alternative proteins at scale at meaningful scale demands simultaneous progress in fundamental research, engineering integration and socio-technical systems that work for low- and middle-income settings. Existing efforts remain fragmented relative to the magnitude of the challenge.
economics-resources
south-america
argentina
scale
biotechnologies
enabling
sustainable
production
alternative
proteins
deployable
technologies
achieving
climate-environment
systems
society-governance
methods
solutions
Despite recognition of its importance, reliable methods for design principles for digital platforms that promote constructive rather than polarizing discourse are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.
technology-computing
south-america
peru
design
principles
digital
platforms
promote
constructive
rather
polarizing
discourse
practical
climate-environment
methods
systems
barriers
society-governance