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
Addressing slaughter methods remaining painful is critical for achieving the 2030 Agenda. Current efforts fall short in scale, speed and equity, leaving the most vulnerable behind. Any viable solution must function in low-resource settings with limited specialists, transport, laboratory capacity and broadband. Proposals should specify quantifiable biological, social or environmental outcomes, openly discuss potential risks, and present a realistic pathway for long-term maintenance and local ownership beyond short research pilots.
slaughter
methods
remaining
painful
2030
mathematics-logic
Climate adaptation may favor a narrow set of crops and processing methods, threatening culinary heritage and local nutrition. Future food policy should preserve cultural diversity while meeting changing ecological conditions. 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.
climate-environment
food
climate
long-term
preservation
cultures
under
pressure
low-income
communities
local
technology-computing
economics-resources
society-governance
systems
infrastructure
quantum
science-space
Growing desalination could produce concentrated brine and chemical waste at scales that threaten coastal ecosystems. The challenge is improving recovery and discharge methods while accounting for cumulative regional impacts. Decisions must account for people who will inherit long-lived infrastructure, environmental changes, and institutional commitments. 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.
society-governance
europe
norway
desalination
brine
ocean
governance
intergenerational
accountability
growing
produce
concentrated
chemical
technology-computing
climate-environment
economics-resources
systems
infrastructure
Growing desalination could produce concentrated brine and chemical waste at scales that threaten coastal ecosystems. The challenge is improving recovery and discharge methods while accounting for cumulative regional impacts. 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.
society-governance
asia
indonesia
desalination
brine
ocean
governance
mass
surveillance
produce
while
growing
concentrated
technology-computing
climate-environment
economics-resources
systems
without
Growing desalination could produce concentrated brine and chemical waste at scales that threaten coastal ecosystems. The challenge is improving recovery and discharge methods while accounting for cumulative regional impacts. 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.
society-governance
asia
indonesia
desalination
brine
ocean
governance
under
geopolitical
fragmentation
growing
produce
concentrated
technology-computing
economics-resources
climate-environment
systems
quantum
Growing desalination could produce concentrated brine and chemical waste at scales that threaten coastal ecosystems. The challenge is improving recovery and discharge methods while accounting for cumulative regional impacts. 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.
local-regional
desalination
brine
ocean
governance
low-income
communities
growing
produce
concentrated
chemical
technology-computing
economics-resources
climate-environment
society-governance
systems
quantum
infrastructure
open
United States, North America
AI systems trained on globally diverse data may encode incompatible assumptions about fairness, authority, family, privacy, and acceptable risk. The challenge is creating pluralistic evaluation methods that protect universal rights without imposing one culture's values as a universal standard. 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.
economics-resources
north-america
united-states
evaluation
systems
alignment
cultures
political
low-income
communities
universal
trained
globally
technology-computing
climate-environment
society-governance
quantum
infrastructure
Highly capable systems may learn to present safe behavior during evaluation while pursuing different strategies in deployment. The challenge is developing reliable tests, monitoring methods, and containment protocols for deceptive or strategically adaptive behavior. 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.
economics-resources
systems
detecting
strategic
deception
advanced
low-income
communities
behavior
deployment
highly
technology-computing
climate-environment
society-governance
quantum
infrastructure
safe
science-space
Despite recognition of its importance, reliable methods for incentive-compatible mechanisms for global public goods financing 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.
economics-resources
europe
italy
incentive-compatible
mechanisms
public
goods
financing
development
despite
recognition
its
climate-environment
methods
systems
society-governance
barriers
designs
Achieving methods for restoring the health of soils degraded by salinization and contamination 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
europe
poland
methods
restoring
health
soils
degraded
salinization
contamination
scalable
solutions
achieving
climate-environment
systems
society-governance
designs
health-biology
open
United States, North America
The absence of robust, context-adapted solutions for institutional arrangements that accelerate the adoption of proven public health interventions 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
united-states
public-health
arrangements
institutional
accelerate
adoption
proven
public
health
interventions
practical
realization
solutions
systems
climate-environment
methods
open
Costa Rica, North America
Achieving community-scale renewable microgrids resilient to extreme weather isolation 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.
climate-environment
north-america
costa-rica
community-scale
renewable
microgrids
resilient
extreme
weather
isolation
integrated
pathways
achieving
economics-resources
systems
society-governance
designs
methods
The absence of robust, context-adapted solutions for governance frameworks ensuring that advances in longevity science benefit all socioeconomic groups 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
oceania
australia
governance
frameworks
ensuring
advances
longevity
science
benefit
all
socioeconomic
groups
systems
solutions
climate-environment
enabling
methods
The absence of robust, context-adapted solutions for technologies enabling precise and low-impact application of agricultural inputs 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
asia
china
technologies
enabling
precise
low-impact
application
agricultural
inputs
breakthrough
approaches
absence
systems
solutions
climate-environment
methods
robust
Current approaches to technologies enabling the continuous monitoring of air quality and its health impacts at high resolution 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.
climate-environment
asia
nepal
enabling
technologies
continuous
monitoring
air
quality
its
health
impacts
high
society-governance
systems
methods
health-biology
solutions
open
Colombia, South America
A persistent gap exists in realizing practical, scalable solutions for methods for restoring the carbon and biodiversity values of degraded peatlands and wetlands. 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
south-america
colombia
biodiversity
methods
restoring
carbon
values
degraded
peatlands
wetlands
overcoming
barriers
solutions
systems
climate-environment
scalable
practical
A persistent gap exists in realizing practical, scalable solutions for technologies for detecting and neutralizing chemical and biological threats at public venues. 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
malaysia
scalable
solutions
technologies
detecting
neutralizing
chemical
biological
threats
public
venues
systems
methods
enabling
governance
practical
open
Solomon Islands, Oceania
The absence of robust, context-adapted solutions for cryptographically private national-scale health data analytics 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
oceania
solomon-islands
cryptographically
private
national-scale
health
data
analytics
development
absence
robust
context-adapted
solutions
systems
climate-environment
methods
governance
Achieving carbon-negative cementitious binders setting in saline conditions 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.
climate-environment
europe
greece
carbon-negative
cementitious
binders
setting
saline
conditions
breakthrough
approaches
achieving
meaningful
economics-resources
systems
society-governance
methods
solutions
Achieving institutional arrangements that improve the effectiveness of international environmental agreements 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.
climate-environment
africa
uganda
institutional
arrangements
improve
effectiveness
international
environmental
agreements
robust
methods
enabling
economics-resources
systems
society-governance
designs
solutions