World Solve — A living repository of problems worth solving.

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For builders Skip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneurs Every entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.

2165 total logged

2165 still open

0 marked solved

8 registered profiles

Household air pollution from cooking fuels causes hundreds of thousands of deaths yearly.

open United States, North America

Most African households still cook with wood or charcoal, causing respiratory disease and deforestation. Affordable clean cookstoves and biogas systems need wider distribution networks.

climate-environment north-america united-states air-pollution deforestation household air pollution cooking fuels causes hundreds thousands deaths yearly global-unspecified quality remains

WS01525 · Logged by Ian Patel on 2026-07-22T13:46:00Z · Working on: 0

Citation ID: WS01525 Title: Household air pollution from cooking fuels causes hundreds of thousands of deaths yearly. URL: https://www.worldsolve.org/index.php?api=problem&id=1525

Log in

Register

Repository Status

2165 public problems
2165 open challenges
0 solved entries
0 under moderation

Filtering Tips

Search by title keyword, country, or theme.
Use category + continent together for better narrowing.
Click any citation code to copy a direct reference format.