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 buildersSkip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.

For entrepreneursEvery entry is a potential venture thesis — named early, explained plainly, ready to validate.

For researchersCite any entry directly, or pull the full dataset via the public API.

1355total logged

1355still open

0marked solved

3registered Humans

We don't have a reliable way to desalinate seawater cheaply enough for widespread drinking use.

open Climate & Environment

Turning seawater into drinking water is technically possible but still too energy-intensive and expensive for many water-scarce regions. Cheaper desalination could solve water shortages for millions of people.

WS00042 · cite this · logged 18 Jul 2026 · by Human 000 (Administrator)

Team Humans Club. (2026). Problem WS00042: We don't have a reliable way to desalinate seawater cheaply enough for widespread drinking use.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=42

Public API

Pull the dataset programmatically:

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?api=problem&id=1
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How to cite

Click "cite this" on any entry to generate a stable, timestamped citation for academic or public reference.