Earth Sciences82
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Back to Mount Chirripó
On their fifth day of fieldwork on Mount Chirripo, Lamont’s Max Cunningham and Mike Kaplan encounter some deeply weathered boulders.
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Our Fiscal Year Ends June 30: Donate Now to Help Us Finish Strong!
The end of our fiscal year is just one week away and we need your support more than ever. This year, the generosity of Earth Institute supporters allowed our award-winning scientists and researchers to pursue groundbreaking initiatives in the fields of earth and environmental sciences, ecology, engineering and architecture, law, medicine and public health, economics,…
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A Quick Retreat from ‘Mountain Lion’ Savannah
On their fourth day on Mount Chirripo, Lamont’s Max Cunningham and Mike Kaplan explore an unusual valley and find the spot where a lion apparently killed someone.
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Landslide Up Close
On their third day on Mount Chirripo, Lamont geologists Max Cunningham and Mike Kaplan discover remnants of a mysterious landslide.
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Chiseling Away
Lamont-Doherty geologists Max Cunningham and Mike Kaplan chisel away at glacial moraines on Costa Rica’s Mount Chirripo to understand when ice withdrew during the last ice age.
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Climbing Mount Chirripó
On the hike up Costa Rica’s Mount Chirripó, Lamont geologists Max Cunningham and Mike Kaplan encounter varied climates and vegetation.
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Mount Chirripó: Shaped by Glaciers or Tectonic Forces?
Lamont-Doherty graduate student Max Cunningham describes his upcoming research objectives on Costa Rica’s Mount Chirripó.
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The Fracking Facts
Hydraulic fracturing, or fracking, the controversial method for extracting natural gas, has become a hot button issue across the U.S. But let’s try to look objectively at its benefits and risks.
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Some Do Not Like It Hot
The Great Dying, The Big One — The Permo-Triassic! (In a time machine, not sure if that’s where I’d aim …) As extinctions go, this one’s a blockbuster classic, When most of Earth’s species dropped out of the game.
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
