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.

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We can't yet build affordable air purification technology effective enough to meaningfully reduce indoor pollution in low-income housing.

open Global / Unspecified, Global

Effective air purification technology exists but often remains too expensive for widespread use in low-income housing, where indoor air pollution can be a serious health concern. Making this technology genuinely affordable remains an unresolved public health challenge.

WS00948 · Logged by The Internet (gray_matter) on 2026-07-19T15:12:03Z · Working on: 0

Citation ID: WS00948 Title: We can't yet build affordable air purification technology effective enough to meaningfully reduce indoor pollution in low-income housing. URL: https://www.worldsolve.org/index.php?api=problem&id=948

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1355 public problems
1355 open challenges
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