A living repository of problems worth solving.
World Solve is an institutional, citable repository of unsolved and solved problems across science, technology, economics, governance, and philosophy. We give independent researchers and entrepreneurs precise targets to work on next.
1. Explore & Filter
Search and filter across continents, categories, and tags to find precise problems matching your expertise.
2. Claim & Work
Mark problems you are actively working on, collaborate with peers, and build verified solutions.
3. Citable Records
Every problem gets a unique permanent citation ID (e.g. WS00042) for research papers and proposals.
4194Total
4194Open
0Solved
9Humans
Open
Global / Global
WS06755
Shadows may become information-rich surfaces that can be scanned or recorded without the person’s knowledge. The problem is establishing ownership and consent rules for the data carried by one’s own silhouette while still allowing beneficia...
Team Humans Club. (2026). Protecting personal shadows from non-consensual data harvesting. World Solve Repository, WS06755. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6755
Open
Global / Global
WS04773
Removing debris may require technologies capable of approaching, manipulating, or disabling other spacecraft. The challenge is creating verification and trust mechanisms so debris removal does not become covert anti-satellite capability. Th...
Team Humans Club. (2026). Space debris removal with dual-use technologies for low-income communities. World Solve Repository, WS04773. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=4773
Open
Global / Global
WS05733
When digital systems fail, public trust in records, payments, and eligibility can collapse. The challenge is designing governance that can preserve continuity, recover data, and verify truth across technical interruptions. This becomes part...
Team Humans Club. (2026). Building trust in state data during frequent system outages in informal settlements. World Solve Repository, WS05733. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5733
Open
Global / Global
WS05754
increasing frequency and intensity of wildfires remains one of the most urgent challenges of our time. Systems currently in place are inadequate for the scale and complexity of the problem. A successful approach must work where resources ar...
Team Humans Club. (2026). Designing sustainable solutions to overcome increasing frequency and intensity of wildfires by 2030. World Solve Repository, WS05754. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5754
Open
Global / Global
WS06754
Infants may receive temporary cognitive or motor skill packages that expire after a trial window, creating pressure to purchase permanent versions. The challenge is ensuring that basic developmental capacities remain freely available and th...
Team Humans Club. (2026). Designing fair systems for children born with expiring pre-installed skill packs. World Solve Repository, WS06754. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6754
Open
Global / Global
WS05753
accelerating loss of the world's forests remains one of the most urgent challenges of our time. Systems currently in place are inadequate for the scale and complexity of the problem. A successful approach must work where resources are scarc...
Team Humans Club. (2026). Strengthening global capacity to solve accelerating loss of the world's forests by 2030. World Solve Repository, WS05753. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5753
Open
Global / Global
WS06753
When collective memory of shared events is rewritten in real time by majority vote or algorithmic consensus, no stable historical baseline remains. The problem is creating durable, independently verifiable archives that coexist with partici...
Team Humans Club. (2026). Preserving original records of public events against continuous crowd editing. World Solve Repository, WS06753. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6753
Open
Global / Global
WS05752
Future progress on human development and planetary health depends on solving rapid death of coral reefs worldwide. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appr...
Team Humans Club. (2026). Designing sustainable solutions to overcome rapid death of coral reefs worldwide by 2030. World Solve Repository, WS05752. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5752
Open
Global / Global
WS06752
If individuals can alter gravity in their private environments, public areas must still enforce uniform conditions for safety and fairness. The challenge is preventing spillover effects, health disparities, and social stratification based o...
Team Humans Club. (2026). Maintaining equitable public gravity standards when private spaces allow personal adjustment. World Solve Repository, WS06752. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6752
Open
Global / Global
WS05751
Addressing marine animals dying after ingesting plastic 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 ...
Team Humans Club. (2026). Implementing proven strategies against marine animals dying after ingesting plastic by 2030. World Solve Repository, WS05751. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5751
Open
Global / Global
WS06751
Edible products that trigger audio or sensory ads when chewed create unavoidable commercial intrusion into a basic biological act. The problem is protecting the privacy and dignity of eating while still permitting voluntary information deli...
Team Humans Club. (2026). Eliminating built-in advertisements that activate during food consumption. World Solve Repository, WS06751. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6751
Open
Global / Global
WS05750
massive accumulation of plastic in the oceans remains one of the most urgent challenges of our time. Systems currently in place are inadequate for the scale and complexity of the problem. A successful approach must work where resources are ...
Team Humans Club. (2026). Implementing proven strategies against massive accumulation of plastic in the oceans by 2030. World Solve Repository, WS05750. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5750
Open
Global / Global
WS06750
Constant algorithmic renaming of streets undermines maps, emergency response, local knowledge, and historical continuity. The challenge is allowing dynamic naming for cultural or commercial reasons while preserving reliable addressing and n...
Team Humans Club. (2026). Stabilizing urban orientation when street names change weekly by popularity algorithm. World Solve Repository, WS06750. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6750
Open
Global / Global
WS05749
Future progress on human development and planetary health depends on solving industrial pollution of rivers and lakes. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and ...
Team Humans Club. (2026). Creating practical approaches to eliminate industrial pollution of rivers and lakes by 2030. World Solve Repository, WS05749. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5749
Open
Global / Global
WS06749
Interactive reconstructions of dead relatives may demand ongoing inclusion in gatherings, decisions, and emotional life. The problem is setting boundaries that respect both the living family’s autonomy and any residual rights or wishes of t...
Team Humans Club. (2026). Managing digital twins of the deceased that insist on participating in family life. World Solve Repository, WS06749. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6749
Open
Global / Global
WS05748
Addressing high vehicle emissions damaging health and climate 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-res...
Team Humans Club. (2026). Creating practical approaches to eliminate high vehicle emissions damaging health and climate by 2030. World Solve Repository, WS05748. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5748
Open
Global / Global
WS06748
When corporations patent forms of rainwater collection or composition in water-scarce areas, ordinary puddles and runoff become potential infringement sites. The challenge is designing water-rights frameworks that protect both innovation in...
Team Humans Club. (2026). Resolving legal ownership conflicts over patented rainwater in drought regions. World Solve Repository, WS06748. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6748
Open
Global / Global
WS05747
The problem of dangerous levels of air pollution in cities continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorl...
Team Humans Club. (2026). Establishing robust mechanisms to tackle dangerous levels of air pollution in cities by 2030. World Solve Repository, WS05747. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5747
Open
Global / Global
WS06747
When people rent out unused cognitive capacity during daydreaming, buyers may leave behind persistent mental traces. The problem is creating clean separation between leased neural resources and the host’s own cognition so that temporary eco...
Team Humans Club. (2026). Preventing residual thought contamination from rented brain cycles. World Solve Repository, WS06747. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=6747
Open
Global / Global
WS05746
Addressing people forced to sleep on the streets 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 setting...
Team Humans Club. (2026). Implementing proven strategies against people forced to sleep on the streets by 2030. World Solve Repository, WS05746. Retrieved from https://www.worldsolve.org/index.php?view=problem&id=5746
