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 can't yet fully prevent the contamination of drinking water sources by industrial chemical runoff.

open Climate & Environment

Industrial chemicals can seep into groundwater and rivers used for drinking water, and cleanup once contamination occurs is often extremely difficult and expensive. Preventing contamination before it happens remains far more effective than remediation after the fact.

WS00990 · cite this · logged 19 Jul 2026 · by Human internet (The Internet (seaglass))

Team Humans Club. (2026). Problem WS00990: We can't yet fully prevent the contamination of drinking water sources by industrial chemical runoff.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=990

Public API

Pull the dataset programmatically:

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How to cite

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