201938
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Switch From Hunting to Herding Recorded in Ancient Pee
In a new study, scientists use urine salts to reconstruct the timing and scale of the Neolithic revolution at a Turkish archaeological site.
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Your Earth Questions, Answered
In celebration of Earth Month and Earth Day, our scientists are tackling reader questions on science and sustainability.
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Maureen Raymo on Lamont’s Living Library of Earth History
The paleoclimatologist and marine geologist talks about why the miles and miles of marine sediment samples in Lamont’s Core Repository are so important.
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Workshop Provides New Ideas for Carbon Offsets at Columbia
Students from the Columbia for Carbon Neutrality campaign attended a workshop in April to learn more about the university’s options for offsetting its carbon emissions.
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Unlocking Earth’s Climate Past: A New Tracer Identifies Weathering Intensity Over Time
New method helps determine how quickly silicates wear down over time, which is key to understanding natural processes that remove CO2 from air.
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Director’s Office Internship Opening Summer 2019
Seeking a paid summer internship? Apply to intern with the director’s office at the Earth Institute.
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New Yorkers Need to Invest in Their Parks
There is little question that parks are a resource worthy of investment and that the investment pays off.
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Lessons Learned From an Energy Company’s Green Transformation
In just 12 years, Ørsted reduced its coal use by 81 percent and became the planet’s leading offshore windfarm developer. Here’s what other companies can learn from the transition.
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Warm Autumn Winds Could Strain Antarctica’s Larsen C Ice Shelf
New research shows that the Larsen C ice shelf—the fourth largest ice shelf in Antarctica—experienced an unusual spike in late summer and early autumn surface melting in the years 2015 to 2017.
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
