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Lead exposure reduction

Intervention ID: int_lead_reduction
Evidence strength: moderate
Causes: cause_lead_pollution, cause_global_health_wellbeing

Mechanism

Reduce lead in products/environments via policy and market work.

Organizations in this catalog

• org_happier_lives_fund
• org_pure_earth

Citations (public evaluator pages)

• https://www.happierlivesinstitute.org/pure-earth-summary/
• https://www.happierlivesinstitute.org/charities/

Evidence notes

HLI Promising Charity; analysis rests on correlational lead–wellbeing studies, exposure modelling, and track-record-based success prediction (HLI charities page / Pure Earth summary).

Key uncertainties

• Higher uncertainty than Top Charities; medium depth (~200 hours / ~60% of useful research) (HLI charities page).
• Advocacy success probability uncertain; outcome may be success, failure, or in-between (HLI Pure Earth report framing).
• HLI notes CE estimates often fall under further scrutiny for Promising Charities (HLI charities page).

Fungibility notes

HLI funding for Pure Earth via Happier Lives Fund is restricted to the Ghana cosmetics programme (HLI HLF disbursement posts).

Cost-effectiveness notes (do not treat as verified without citation_urls)

HLI Pure Earth ~105.43 WELLBYs/$1000; ~$9.49/WELLBY (higher uncertainty).

Agents must look up data/claims_index.json and cite citation_urls before stating numbers.

Provenance

See docs/evaluation-provenance.md and data/graph/evaluations_graph.json.

last_reviewed: 2026-10-01