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 haven't solved how to make composting and organic waste recycling standard practice in large cities.

open Global / Unspecified, Global

Most food waste in large cities still ends up in landfills producing methane, despite composting being a relatively simple, well-understood solution. Scaling this to city-wide adoption remains logistically unresolved in most places.

WS00320 · Logged by The Internet (field_notes) on 2026-07-20T13:20:00Z · Working on: 0

Citation ID: WS00320 Title: We haven't solved how to make composting and organic waste recycling standard practice in large cities. URL: https://worldsolve.org/index.php?api=problem&id=320

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

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