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
open
South America / Unspecified, South America
Investment priorities focus on capitals while smaller cities struggle with outdated fleets. Regional funding and planning platforms can spread best practices.
local-regional
south-america
south-america-unspecified
public-transport
cities
public
transport
systems
mid-sized
south
american
lag
behind
megacities
society-governance
urban
african
climate-environment
open
South & Southeast Asia, Asia
Vehicle emissions, crop burning, and industrial smoke create hazardous smog seasons in cities like Delhi and Jakarta. Low-cost air-purification tech and stricter enforceable emission-trading systems are needed.
climate-environment
asia
south-southeast-asia
air-pollution
air
pollution
south
southeast
asian
megacities
causes
millions
premature
deaths
global-unspecified
african
urban
cities
Cities like Karachi, Dhaka, and Chennai face chronic shortages and rely heavily on costly tanker deliveries. Rainwater harvesting mandates and leak-reduction technology could ease urban water stress.
climate-environment
asia
south-asia
urban
water
systems
south
asian
megacities
cannot
keep
pace
population
cities
african
global-unspecified
heat
haven
Slum residents often rely on illegal, unsafe electricity connections due to lack of formal grid access. Pay-as-you-go solar kits designed for dense urban informal housing could offer safer alternatives.
social-civic-problems
asia
access
informal
urban
energy
settlements
asian
megacities
remains
inconsistent
slum
global-unspecified
african
economics-resources
society-governance
systems
Cities like Manila, Jakarta, and Mumbai rank among the world's most congested, costing billions in lost time and fuel. Integrated mass-transit expansion and smart traffic-management systems are urgently needed.
economics-resources
asia
traffic
congestion
asian
megacities
causes
massive
economic
productivity
losses
cities
african
systems
urban
global-unspecified
climate-environment
infrastructure
Constant traffic and construction noise in megacities contributes to stress and hearing damage but receives little regulatory attention. Urban noise-mapping tools could inform targeted mitigation policies.
health-biology
asia
public-health
noise
pollution
dense
asian
cities
underrecognized
public
health
constant
traffic
climate-environment
global-unspecified
african
urban
water
While calorie intake has stabilized in many Asian urban centers, access to nutrient-dense fresh food remains unaffordable for low-income residents, resulting in persistent stunting, anemia, and hidden hunger among young children.
health-biology
asia
pakistan
among
urban
haven
eliminated
micronutrient
malnutrition
slum
populations
rapidly
expanding
global-unspecified
african
economics-resources
whether
access
High real estate costs and energy requirements hinder vertical farming and aquaponics from providing cheap, fresh produce to low-income urban populations.
economics-resources
asia
japan
urban
haven
scaled
closed-loop
agriculture
architectures
densely
populated
asian
megacities
climate-environment
global-unspecified
african
cities
systems
Ambulances in densely populated Asian urban centers face prolonged traffic delays, failing to meet critical emergency response windows for heart attacks and trauma.
health-biology
asia
indonesia
emergency
response
haven
modernised
medical
infrastructure
traffic-congested
megacities
ambulances
densely
global-unspecified
urban
african
technology-computing
economics-resources
