State of the Planet

News from the Columbia Climate School

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  • Arsenic in Bangladesh Water, Then and Now

    Back in the summer of 1997 while working for a small newspaper focusing on UN development issues, I traveled to Bangladesh to see how far this often overlooked country tucked away in a corner between India and China had fared since its independence 25 years ago. At the time the only stories which came out…

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

  • Arsenic in Bangladesh Water, Then and Now

    Back in the summer of 1997 while working for a small newspaper focusing on UN development issues, I traveled to Bangladesh to see how far this often overlooked country tucked away in a corner between India and China had fared since its independence 25 years ago. At the time the only stories which came out…