Earth Sciences8
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American Geophysical Union 2022: Key Research From the Columbia Climate School
A guide to some of the most provocative and groundbreaking talks at the world’s largest gathering of earth and space scientists.
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Google Doodle Celebrates Marie Tharp, Who Mapped the Ocean Floor
Tharp co-published the first world map of the ocean floors and helped prove the theory of continental drift.
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A Study Offers New Insights Into the Record 2021 Western North America Heat Wave
Several weeks during summer 2021 saw heat records in the western United States and Canada broken not just by increments, but by tens of degrees, an event of unprecedented extremity. To what degree was it climate change, bad luck, or a combination?
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Iron-Rich Dust From South America Played Role in Last Two Glacial Periods, Says Study
Dust from the land that gets blown into the ocean appears to influence natural climate swings. A new study looks into where much of that dust came from in the past 260,000 years.
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Permafrost Emissions Must Be Factored Into Global Climate Targets, Says Study
As the Arctic melts, permafrost there has the potential to send huge amounts of carbon into the atmosphere, but exactly how much is up for grabs, depending on what we do to stem climate change in coming years.
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Study Upsets Models of How Lake Drainage Within Glaciers May Influence Sea Level
Sudden plunges of lake waters from glacial surfaces to ice-sheet beds may not speed up the movement of Greenland’s tidewater glaciers, as previously thought.
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Highlights From the 2022 Lamont Open House
Visitors played with glacial goo, watched trash cans erupt with water and ping pong balls, and performed hands-on science experiments — all while learning how Lamont researchers help us understand our planet.
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Preparing for Volcanic Eruptions at Okmok Volcano, Alaska
Researchers are working at a remote ranch in the Aleutians, commuting by helicopter to the brim of a volcano to perform maintenance on their monitoring equipment.
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You Asked: Dinosaurs Survived When CO2 Was Extremely High. Why Can’t Humans?
Our expert says: Although carbon dioxide levels have been much higher in the past, they generally increased slowly, giving plants and animals time to adapt. When the rate of climate change was staggeringly fast, like today, there were big problems.
