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.

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We haven't found a way to make urban stormwater systems fully prevent pollution overflow during heavy rain events.

open Global / Unspecified, Global

Many cities' stormwater systems combine sewage and rainwater runoff, and heavy storms can cause this combined overflow to discharge untreated into nearby waterways. Fully separating and managing this runoff remains a costly, unresolved infrastructure challenge.

WS01027 · Logged by The Internet (field_notes) on 2026-07-19T15:18:30Z · Working on: 0

Citation ID: WS01027 Title: We haven't found a way to make urban stormwater systems fully prevent pollution overflow during heavy rain events. URL: https://www.worldsolve.org/index.php?api=problem&id=1027

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1355 public problems
1355 open challenges
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