State of the Planet

News from the Columbia Climate School

lead contamination2

  • Mapping Hot Spots of Lead to Protect Children

    Mapping Hot Spots of Lead to Protect Children

    A new study in the Bulletin of the World Health Organization shows how hot spots of lead contamination in soil can be pinpointed in order to safeguard children against drastic health effects. Researchers led by geochemist Alexander van Geen of Lamont-Doherty Earth Observatory, studied soil around two Peruvian mining towns, and found high lead concentrations…

Columbia Climate School Giving Day on October 28, 2026, featuring students and renewable energy imagery

October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.

  • Mapping Hot Spots of Lead to Protect Children

    Mapping Hot Spots of Lead to Protect Children

    A new study in the Bulletin of the World Health Organization shows how hot spots of lead contamination in soil can be pinpointed in order to safeguard children against drastic health effects. Researchers led by geochemist Alexander van Geen of Lamont-Doherty Earth Observatory, studied soil around two Peruvian mining towns, and found high lead concentrations…