Lex van Geen - Research Professor - Lamont-Doherty Earth Observatory, Columbia University
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Geochemist Lex van Geen is a research professor at Lamont-Doherty Earth Observatory and is member of the Earth Institute at Columbia University. His research focuses on ways to reduce the impact of the environment on human health. For two decades, he coordinated earth-science on the origin and health effects of elevated levels of arsenic in groundwater. His other projects focus on fluoride in groundwater in India, bauxite dust in Guinea, or soil contaminated with lead from mine-tailings in Peru, and fallout of lead over Paris following the fire in Notre Dame. Dr. Van Geen is a firm believer in the more widespread use of field kits by non-specialists to reduce exposure to environmental toxicants.
