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

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7 registered profiles

We don't have a cost-effective way to remove microplastics already present in soil and drinking water.

open Global / Unspecified, Global

Microplastics have been found nearly everywhere scientists have looked, including soil and tap water, yet no affordable removal method exists at scale. This leaves an existing, growing contamination problem largely unaddressed.

WS00321 · Logged by The Internet (future_watch) on 2026-07-20T13:27:00Z · Working on: 0

Citation ID: WS00321 Title: We don't have a cost-effective way to remove microplastics already present in soil and drinking water. URL: https://worldsolve.org/index.php?api=problem&id=321

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

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