Earth Sciences82
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Is the Highest Climb Sustainable, and Who Pays the Price?
The Khumbu Icefall on Mount Everest is perhaps the most well-known and notoriously dangerous glacial feature on the planet. In a fresh post on the Glacier Hub blog, the Earth Institute’s Ben Orlove, writing with anthropologist Pasang Yangjee Sherpa of Penn State, recounts a recent workshop held in Kathmandu to address the issues raised by…
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The Columbia Geology Tour: Stories in the Stones
For the last decade or so, Columbia University geologist David Walker has led students and colleagues on a tour of the geologic gems hiding within Columbia’s campus. Along the way, Walker finds evidence of how life on Earth has evolved over 4.5 billion years.
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Kenneth Hunkins, Arctic Oceanographer
While Adrift on Ice Floes, He Charted Unexplored Depths
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Photo Essay: Studying Fracking’s Effects, Up Close and Personal
Ten years ago, hydraulic fracturing barely existed. Today 45,000 fracked wells produce natural gas, providing energy for millions of homes and businesses, and nearly a quarter of the nation’s electricity. But scientists are far behind in understanding how this boom affects people near wells. Geochemists Beizhan Yan and James Ross of Columbia University’s Lamont-Doherty Earth…
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Erosion, Then Explosion
When viewing The Great Unconformity, The result of a vast denudation, One feels a new sense of enormity … And above it lie critters crustacean!
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Faint Young Sun
Through an ancient looking-glass, Perhaps you’d see more H2 gas, And if with denser gas collided, Greater greenhouse warmth provided.
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Reflections of a Changing North
No one ever leaves the field the same way they entered it. Yes there is a new layer of mud on equipment, the expected wear and tear on your gear and your physical being. But also, an intangible shift in perspective.
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Beneath an Icelandic Glacier, Another Eruption Brewing
The 2,000-meter tall Bárðarbunga volcano in Iceland is at risk of eruption, an event that could send a cloud of ash and steam high into the atmosphere and cause extensive disruptions in air travel, among other effects, according to media reports. Earth Institute scientist Ben Orlove looks into it on the Glacier Hub blog.
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Bottom Feeders
Graduate students, microbe goo … What is it that links the two? It seems that both life forms are found Where electron donors (food) abound!
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
