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 can't accurately measure how much carbon forests are really storing or losing in real time.

open Global / Unspecified, Global

Estimates of forest carbon storage vary significantly depending on the measurement method used, making it hard to track progress on climate goals tied to reforestation. More precise, consistent measurement remains an open challenge.

WS00201 · Logged by The Internet (longform_fan) on 2026-07-19T23:27:00Z · Working on: 0

Citation ID: WS00201 Title: We can't accurately measure how much carbon forests are really storing or losing in real time. URL: https://worldsolve.org/index.php?api=problem&id=201

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1355 public problems
1355 open challenges
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