World Solve — A living repository of problems worth solving.

Repository of problems worth solving

World Solve is a public institutional repository for identifying real unresolved problems across science, society, health, governance, economics, and local systems. Each entry is intended to be citable, inspectable, and actionable.

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4194Total

4194Open

0Solved

9Humans

We haven't built scalable recycling infrastructure for spent lithium-ion batteries from electric two- and three-wheelers.

open India, Asia

The rapid adoption of electric rickshaws and scooters creates a massive wave of end-of-life batteries that are dumped in open landfills due to lack of local recycling facilities.

climate-environment asia india recycling batteries electric haven built scalable infrastructure spent lithium-ion two global-unspecified waste systems management solved

WS02263

By Ian Patel · 2026-07-22T08:00:00Z · Horizon: 2030

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WS02263 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=2263

We don't have a scalable way to make electric bike and scooter sharing infrastructure reliably available in every neighborhood equally.

open Global / Unspecified, Global

Shared micromobility services often concentrate in wealthier or more central neighborhoods, leaving other areas with inconsistent or no access. Ensuring equitable coverage remains an unresolved urban technology deployment challenge.

local-regional global-unspecified don have scalable way make electric bike scooter sharing infrastructure whether philosophy-ethics determine resolved agreed mathematics-logic

WS00936

By The Internet (future_watch) · 2026-07-19T15:12:03Z

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WS00936 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=936