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

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We haven't built cities that can absorb floodwater instead of being destroyed by it.

open Global / Unspecified, Global

Paved surfaces send rainwater rushing into drains that quickly overflow during storms, instead of letting it soak into the ground. Cities designed to absorb water naturally would suffer far less flood damage.

WS00053 · Logged by Administrator on 2026-07-18T19:12:29Z · Working on: 0

Citation ID: WS00053 Title: We haven't built cities that can absorb floodwater instead of being destroyed by it. URL: https://worldsolve.org/index.php?api=problem&id=53

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1355 public problems
1355 open challenges
0 solved entries
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