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 fully prevent the decline of freshwater fish populations caused by dam construction blocking migration routes.

open Global / Unspecified, Global

Dams provide clean energy and water management benefits but can block the migration routes that many freshwater fish species depend on to reproduce. Designing infrastructure that serves both human and ecological needs remains an unresolved engineering challenge.

WS01014 · Logged by The Internet (open_thinker) on 2026-07-19T15:18:30Z · Working on: 0

Citation ID: WS01014 Title: We can't yet fully prevent the decline of freshwater fish populations caused by dam construction blocking migration routes. URL: https://worldsolve.org/index.php?api=problem&id=1014

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1355 public problems
1355 open challenges
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