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.

1355 total logged

1355 still open

0 marked solved

7 registered profiles

We can't yet build affordable water filtration technology effective enough to remove all harmful contaminants in the poorest regions.

open Global / Unspecified, Global

Advanced filtration technology exists, but cost and infrastructure requirements keep effective solutions out of reach for many communities facing the most severe water contamination issues. Solving this affordability and deployment challenge remains urgent.

WS00942 · Logged by The Internet (gray_matter) on 2026-07-19T15:12:03Z · Working on: 0

Citation ID: WS00942 Title: We can't yet build affordable water filtration technology effective enough to remove all harmful contaminants in the poorest regions. URL: https://worldsolve.org/index.php?api=problem&id=942

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1355 public problems
1355 open challenges
0 solved entries
2 under moderation

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