State of the Planet

News from the Columbia Climate School

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Improving the Water Outlook in the Himalayas

Andrew Robertson, a climate scientist at the International Research Institute for Climate and Society, discusses his research on helping reservoir managers in northern India make better planning decisions by improving their ability to predict how climate change will influence water availability. In order to do this, Robertson worked with colleagues at the Columbia Water Center and the Tree Ring Laboratory. The team reconstructed 500 years of past streamflow from tree-ring records collected in Pakistan and then combined this data with weather and seasonal forecasts to generate preliminary water scenarios for the region going out ten years.

Watch the interview below, and view the full poster.

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

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