201931
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Solved: How Tides Can Trigger Earthquakes
A new study reveals the inner workings of tidally triggered earthquakes, and finds that even the slightest stress can set off a tremor.
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Center for Climate and Life Announces 2019 Fellows
The three new Fellows, all scientists at Lamont-Doherty Earth Observatory, will pursue high-risk, high-reward research that furthers understanding of how climate change impacts human sustainability.
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A Seismologist Present at the Discovery of Plate Tectonics
Lynn Sykes, a pivotal figure in the development of plate tectonics, discusses a new memoir of his career.
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Prof. Cohen Discusses Sustainability and Cities, Government, and Sustainable Lifestyles
The Columbia Alliance program profiled Steve Cohen to discuss approaches to shape a sustainable urban future.
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Great Fish Count Nets Huge Number of Sea Creatures
The annual survey of biodiversity in New York City’s waterways had a great turnout on Saturday.
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New Podcast: Legal Pathways to Decarbonization in the U.S.
The latest episode of the Columbia Energy Exchange discusses a playbook of legal options available to cut emissions and tackle the challenge of climate change.
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Earth Institute Alumni Helped Launch Etsy Carbon Offset Initiative
The major e-commerce site is the first to offset 100% of its carbon emissions from shipping — and two Sustainability Management graduates helped to make it happen.
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Floods, Infrastructure and Climate Change
Climate change will require that we rebuild our flood control systems in new and creative ways. We will need more research on climate impacts to do this successfully and we will need to moderate the rate of those impacts to ensure that what we build doesn’t quickly become outdated.
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How Changes in Climate Impacted Ancient Civilizations
William D’Andrea studies past climates to see how societies such as the Vikings and the Rapanui of Easter Island dealt with environmental change. His work may help us adapt to a hotter future.

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
