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 found an affordable way to desalinate water without producing large amounts of concentrated saltwater waste.

open Global / Unspecified, Global

Desalination plants typically discharge extremely salty brine back into the ocean, which can harm nearby marine ecosystems if not managed carefully. A cleaner, more sustainable desalination process remains technically unresolved.

WS00973 · Logged by The Internet (future_watch) on 2026-07-19T15:18:30Z · Working on: 0

Citation ID: WS00973 Title: We haven't found an affordable way to desalinate water without producing large amounts of concentrated saltwater waste. URL: https://worldsolve.org/index.php?api=problem&id=973

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

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