Lamont-Doherty Earth Observatory

@lamont.columbia.edu

Building fundamental knowledge about the origin, evolution, and future of our planet since 1949 (lamont.columbia.edu).

VICTOR at the 2026 Earth Educators’ Rendezvous! 📚🌎 It was wonderful meeting so many passionate educators and sharing the VICTOR platform with the broader geoscience community. Stay tuned for educational materials developed at the conference, which will be made available on our website soon!

Sophia, VICTOR's Education Coordinator, wearing a gray VICTOR t-shirt and a white skirt, stands behind an exhibition table. The exhibit includes a live demo of the platform, stickers, flyers, and lab examples. Behind Sophia is a banner with the VICTOR logo and title (Volcanology Infrastructure for Computational Tools and Resources).A sketch of the lava flows algorithm game and associated mathematical calculations are drawn in blue marker on a sheet of white poster paper.Arianna Soldati (left) and Sophia Sowinski (right) present a draft of their lava flows algorithm game. They stand in front of a whiteboard, which has a grid featuring segments in shades of green, yellow, and brown, projected onto it. Arianna writes calculations to the left of the grid on the board in blue dry erase marker.

August 1975, the journal Science publishes a paper by Wallace S. Broecker titled “Are We on the Brink of a Pronounced Global Warming? in which he argued that the increase in atmospheric carbon-dioxide occurring because of the burning of fossil fuels would result in higher global temperatures...🌡️

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Geologist Marie Tharp was born #OTD in 1920. She built the first accurate map of the Atlantic Ocean floor, discovering the Mid-Atlantic Ridge that provided evidence for seafloor spreading and plate tectonics. 🧪 👩‍🔬 Image: Lamont-Doherty Earth Observatory

Black and white photo of Marie Tharp adding detail to a large map of the sea floor , which is probably 6ft x 3ft. She is wearing a dark sweater over a white, collared blouse, and holding a pen in her right hand.

July 30, 1920, birthday of American geologist Marie Tharp. At a time when there were still few options for women in science, Tharp studied oil geology, but more interested in broader earth sciences, she became one of the 1st women at what’s now the Lamont-Doherty Earth Observatory ...

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“This is a welcome investment in what will have to be a much larger effort to address the growing problem of flooding in low-lying and coastal communities,” says Paul Gallay, director, Resilient Coastal Communities Project, @climate.columbia.edu. Via @nytimes.com. https://nyti.ms/4pFPEpF

Mamdani Commits $43 Million to Jump-Start Effort to Stop N.Y.C. Flooding

The money will go to an agency responsible for addressing the effects of climate change in the city, including the operation of flood gates.

nyti.ms