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

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We don't have affordable technology to remove carbon dioxide from the atmosphere at meaningful scale.

open Global / Unspecified, Global

Direct air capture exists, but it's still far too expensive and energy-intensive to make a dent in global emissions. Making it cheap enough to scale is one of the biggest levers left for slowing climate change.

WS00039 · Logged by Administrator on 2026-07-18T18:58:29Z · Working on: 0

Citation ID: WS00039 Title: We don't have affordable technology to remove carbon dioxide from the atmosphere at meaningful scale. URL: https://www.worldsolve.org/index.php?api=problem&id=39

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1355 public problems
1355 open challenges
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