State of the Planet

News from the Columbia Climate School

ivory

  • Fighting Ivory Trafficking with Forensic Science

    Fighting Ivory Trafficking with Forensic Science

    Last week, just days before Central Park’s big Ivory Crush, a Lamont-Doherty geochemist and his colleague sawed off samples of the confiscated ivory for DNA testing and radiocarbon dating. Their results could determine where and when each elephant was killed—which could help catch the poachers responsible.

  • Science Nabs Illegal Ivory Sellers

    Science Nabs Illegal Ivory Sellers

    A Toronto-based company has been convicted of selling illegal ivory in the first case to use a technique for dating ivory developed by a scientist at the Lamont-Doherty Earth Observatory.

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.

  • Fighting Ivory Trafficking with Forensic Science

    Fighting Ivory Trafficking with Forensic Science

    Last week, just days before Central Park’s big Ivory Crush, a Lamont-Doherty geochemist and his colleague sawed off samples of the confiscated ivory for DNA testing and radiocarbon dating. Their results could determine where and when each elephant was killed—which could help catch the poachers responsible.

  • Science Nabs Illegal Ivory Sellers

    Science Nabs Illegal Ivory Sellers

    A Toronto-based company has been convicted of selling illegal ivory in the first case to use a technique for dating ivory developed by a scientist at the Lamont-Doherty Earth Observatory.