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 haven't solved how to recycle rare earth metals needed for batteries and electronics.

open Global / Unspecified, Global

The metals inside batteries and electronics are difficult and expensive to recover once a device is thrown away, so most end up in landfills instead of being reused. Cheaper recycling would ease both supply shortages and environmental damage.

climate-environment global-unspecified metals batteries electronics haven solved recycle rare earth needed inside systems waste recycling lacks management

WS00104 · Logged by Administrator on 2026-07-18T20:03:29Z · Working on: 0

Citation ID: WS00104 Title: We haven't solved how to recycle rare earth metals needed for batteries and electronics. URL: https://www.worldsolve.org/index.php?api=problem&id=104

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2165 public problems
2165 open challenges
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