Climate195
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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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Gavin Schmidt Named Director of Goddard Institute for Space Studies
NASA has named Gavin A. Schmidt to head its Goddard Institute for Space Studies (GISS), an affiliate of Columbia University’s Earth Institute. Currently serving as deputy director, Schmidt takes over from long-time director James E. Hansen, who retired last year to open a separate climate science and advocacy center at the Earth Institute.
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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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George Kukla, Contrarian Climate Scientist
George Kukla, a climate scientist who was among the first to warn of the power of global climate change and inspire government study, died on May 31 at his home in Suffern, N.Y. The cause was an apparent heart attack; he was 84. In a career spanning more than five decades, much of it spent…
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Modern Ocean Acidification Is Outpacing Ancient Upheaval, Study Suggests
Rate May Be Ten Times Faster, According to New Data
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EPA’s Upcoming Carbon Rules: A Primer
On Monday, June 2, President Obama will announce proposed federal rules aimed at curbing carbon emissions from existing U.S. power plants–possibly a landmark in U.S. climate policy. It is uncertain how far the rule will go, and the announcement is being closely watched around the world.
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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.
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Project Aims to Strengthen Climate Resilience
The Caribbean, Asia’s Indo-Gangetic Plain and West Africa are three regions known to be extremely vulnerable to climate variability and change, particularly to droughts, extreme weather events and stresses on food production, water resources and coastal areas. A new five-year project jointly led by the International Research Institute for Climate and Society and the University…
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
