Water
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New Report: Ocean Carbon Removal Shows Promise, But Big Questions Remain
Marine carbon dioxide removal could support climate action but faces major scientific, technical and governance challenges, according to a National Academies of Sciences, Engineering, and Medicine report.
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A New Tool for Matching Water Solutions to Community Needs
Sustainable development alum Dylan Dettloff used his Columbia Climate School Collaborative Research Grant to develop a Python-based decision tool to help rural and water-scarce communities identify the most suitable desalination technologies.
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From Marie Tharp to Seabed 2030: Marine Geophysicist Vicki Ferrini on Mapping the Ocean Floor
In honor of Tharp’s birthday, Ferrini discusses the geologist’s pioneering work and how it paved the way for her own collaborative efforts to map the ocean floor.
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Life Aboard the Langseth: A Q&A With Chief Science Officer Cody Bahlau
On Columbia’s global research vessel, the R/V Marcus G. Langseth, Bahlau serves as the key link between scientists, crewmembers and operations on shore.
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You Asked: What Exactly Is a ‘Super’ El Niño?
Columbia Climate School experts explain what a strong El Niño could mean for the planet this year.
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World Oceans Day Reimagines Our Relationship With the Water Around Us
In honor of this annual U.N. event, we are highlighting our coverage of ocean research and education initiatives at the Columbia Climate School and Lamont-Doherty Earth Observatory.
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Join Us on May 30 to Celebrate Hudson River World Fish Migration Day
Hosted by scientists and educators at multiple locations along the lower Hudson River Estuary, this event celebrates the vital role played by estuaries in the life cycle of many ocean fish species.
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Harnessing AI, Scientists Discover a Rise in Floating Algae Across the Global Ocean
A recent study demonstrates the power of artificial intelligence as a tool for processing large amounts of ocean data.
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Women in Science: Paleoceanographer Apollonia Arellano
Arellano uses geochemical analyses to reconstruct deep ocean circulation in the North Atlantic Ocean.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
