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

Low-cost monitoring for dangerous indoor air pollution in homes

open Nepal, Asia

Develop accurate sensors and interventions for biomass smoke, kerosene, mold, and particulate exposure in low-income homes without assuming reliable internet or grid power.

climate-environment asia nepal air-pollution homes low-cost monitoring dangerous indoor air pollution develop accurate sensors global-unspecified low health-biology cost

WS04034

By Ian Patel · 2026-02-07T15:53:17Z · Horizon: 2030

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WS04034 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=4034

Affordable neonatal jaundice detection outside hospitals

open Pakistan, Asia

Create accurate, validated screening tools that detect dangerous neonatal bilirubin levels in homes and rural clinics without requiring expensive laboratory equipment.

health-biology asia pakistan neonatal affordable jaundice detection outside hospitals create accurate validated screening global-unspecified whether philosophy-ethics haven detect

WS04019

By Ian Patel · 2026-02-07T15:38:17Z · Horizon: 2030

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WS04019 | World Solve | https://www.worldsolve.org/index.php?view=problem&id=4019