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
United Arab Emirates, Asia
Extensive glass and concrete urban architecture in Gulf cities amplifies localized heat, driving unsustainable peak air conditioning power demand.
climate-environment
asia
united-arab-emirates
urban
heat
cities
haven
prevented
islands
accelerating
cooling
energy
consumption
global-unspecified
african
water
systems
Farmers deliver produce to un-refrigerated outdoor wholesale markets where extreme daytime heat spoils crops before sale.
climate-environment
asia
bangladesh
wholesale
markets
produce
haven
built
climate-controlled
public
agricultural
prevent
spoilage
economics-resources
global-unspecified
society-governance
whether
philosophy-ethics
open
Global / Unspecified, Global
As some regions become less livable due to heat, drought, or flooding, governments often lack a clear, proactive plan for how internal migration should be managed. This leaves affected communities dealing with sudden, poorly supported relocation.
climate-environment
global-unspecified
migration
government
responses
climate
own
borders
remain
largely
unplanned
reactive
under
society-governance
pressure
african
relocation
systems
open
Global / Unspecified, Global
Sudden spikes in the price of staple commodities like wheat or rice can trigger food crises in import-dependent countries almost overnight. A more resilient global system to buffer these shocks remains unbuilt.
climate-environment
global-unspecified
system
price
shocks
food
crises
don
have
reliable
prevent
whether
philosophy-ethics
determine
resolved
way
agreed
open
Global / Unspecified, Global
Cooling saves lives during extreme heat, but most air conditioners rely on energy sources and refrigerants that contribute to climate change. A low-emission cooling solution accessible to poorer regions remains urgently needed.
climate-environment
global-unspecified
climate-change
air
poorer
regions
yet
make
conditioning
widely
available
hot
worsening
whether
philosophy-ethics
heat
haven
mathematics-logic
open
Global / Unspecified, Global
Methane traps far more heat than carbon dioxide in the short term, yet nearly all climate technology focuses on capturing carbon dioxide instead. A cheap way to actively remove atmospheric methane could meaningfully slow near-term warming.
climate-environment
global-unspecified
methane
way
remove
don
have
affordable
already
accumulated
atmosphere
carbon
philosophy-ethics
whether
determine
agreed
resolved
open
Global / Unspecified, Global
Rising ocean temperatures trigger coral bleaching events that can kill reefs outright if heat stress lasts too long, and current interventions can only help a small fraction of affected reefs. Scaling protection to match the pace of warming remains unresolved.
climate-environment
global-unspecified
reefs
bleaching
coral
heat
yet
fully
prevent
death
during
marine
whether
philosophy-ethics
mathematics-logic
way
open
Global / Unspecified, Global
Trees can significantly cool city temperatures, but planting and maintaining enough urban canopy to meaningfully offset rising heat requires long-term investment many cities haven't sustained. Closing this gap remains an urgent urban planning challenge.
philosophy-ethics
global-unspecified
urban-planning
urban
haven
canopy
enough
offset
rising
city
temperatures
found
way
whether
climate-environment
mathematics-logic
make
open
Global / Unspecified, Global
Soot particles from fires and diesel engines can settle on snow and ice, absorbing more heat and accelerating melting beyond what temperature alone would cause. Reducing this pollution source at the scale needed to slow ice melt remains unresolved.
climate-environment
global-unspecified
ice
soot
melting
yet
fully
prevent
release
black
carbon
accelerates
whether
philosophy-ethics
mathematics-logic
way
haven
open
Global / Unspecified, Global
Smart thermostats have improved efficiency, but many systems still require manual adjustment to truly optimize comfort without wasting energy throughout changing conditions. Fully automated, effective climate optimization remains an unresolved technical challenge.
climate-environment
global-unspecified
systems
smart
comfort
energy
efficiency
yet
build
air
conditioning
heating
whether
philosophy-ethics
mathematics-logic
society-governance
technology-computing
haven
open
Global / Unspecified, Global
Concrete and asphalt trap heat, turning cities into dangerous hot zones during extreme weather, especially for people without air conditioning. Redesigning cities to stay cooler is now a matter of public safety, not comfort.
social-civic-problems
global-unspecified
cities
people
during
heat
cool
enough
protect
increasingly
severe
waves
climate-environment
systems
urban
society-governance
haven
african
Rapidly urbanizing areas of Poland experience worsening heat-island effects, yet most cities lack neighborhood-level heat alert systems tied to actionable cooling-center and outreach protocols.
local-regional
europe
poland
systems
heat
building
early-warning
extreme
events
urban
rapidly
urbanizing
society-governance
climate-environment
technology-computing
global-unspecified
economics-resources
cities
open
Guatemala, North America
Despite recognition of its importance, reliable methods for symbiont-mediated coral heat tolerance enhancement protocols 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.
climate-environment
north-america
guatemala
symbiont-mediated
coral
heat
tolerance
enhancement
protocols
scalable
solutions
despite
recognition
methods
systems
society-governance
barriers
designs
Existing rapid HIV diagnostics used in Egypt still require reagents sensitive to heat and humidity, causing false results and delayed treatment initiation in areas without reliable refrigeration or laboratory backup.
health-biology
africa
egypt
rapid
diagnostics
hiv
areas
improving
cold-free
remote
existing
require
technology-computing
digital
pakistan
vietnam
Coral reefs near Ethiopia face recurring bleaching from marine heatwaves, and local conservation groups lack affordable early-warning tools to trigger protective interventions like shading or coral relocation in time.
climate-environment
africa
ethiopia
coral
bleaching
near
protecting
reef
systems
events
reefs
face
heat
local-regional
coastal
marine
The absence of robust, context-adapted solutions for modular housing meeting simultaneous seismic flood and heat standards 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
samoa
modular
housing
meeting
simultaneous
seismic
flood
heat
standards
integrated
pathways
solutions
systems
climate-environment
robust
methods
Develop affordable, durable coatings, roofs, walls, and textiles that reduce indoor heat without high energy use or toxic material tradeoffs.
economics-resources
asia
india
heat
robust
materials
passive
cooling
extreme
develop
affordable
durable
coatings
society-governance
climate-environment
systems
designs
high
Develop standards, sensing, urban design, and public awareness interventions to reduce disruption of insects, birds, turtles, and nocturnal ecosystems.
mathematics-logic
measuring
ecological
impacts
night-time
artificial
lighting
develop
standards
sensing
urban
public
global-unspecified
climate-environment
society-governance
reduce
social-civic-problems
heat
open
Brazil, South America
Create codes, financing, modular retrofits, and landlord incentives so accessibility is incorporated into ordinary affordable housing, not only specialized projects.
social-civic-problems
south-america
brazil
housing
universal
design
low-cost
rental
create
codes
financing
modular
retrofits
affordable
people
cooling
heat
urban
Develop wheelchairs, prosthetics, hearing aids, and mobility devices that withstand heat, humidity, dust, rough roads, and limited repair networks.
climate-environment
africa
uganda
devices
affordable
assistive
adapted
tropical
climates
develop
wheelchairs
prosthetics
hearing
global-unspecified
philosophy-ethics
whether
haven
technology-computing