climate change76
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From Columbia to Climate Adaptation Director: Alumnus Jon Philipsborn
A graduate of Columbia’s Environmental Science and Policy MPA program tells us about his job as a climate adaption practice director at AECOM.
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Where Is All That Carbon Dioxide Going?
Concurrent with the announcement that human carbon emissions reached a new peak this year, Galen McKinley, a researcher at Columbia University’s Lamont-Doherty Earth Observatory, discusses the difficulties of tracking the sources and destinations of carbon dioxide.
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Could New Nuclear Reactors Power America’s Low-Carbon Future?
A documentary featuring Earth Institute scientists suggests next-generation reactors could be a safe and clean way to replace fossil fuels.
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Flying is Easy, Just Think Happy Thoughts…
For scientists mapping Antarctica’s Ross Ice Shelf, data collection flights require a demanding schedule: The day starts at 4am and sometimes continues throughout the night.
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Scott Pruitt’s Attack on Scientists Serving on EPA Advisory Boards is Illegal
Pruitt’s policy runs counter to existing conflict-of-interests law, and is on its face arbitrary and capricious.
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National Climate Report: Q&A With Authors
Every four years Congress is provided with a state-of-the-art report on the impacts of climate change on the United States. The next National Climate Assessment is scheduled for 2018, but its scientific findings are scheduled to be published today. Here, two of its authors explain what to expect.
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Settling in at McMurdo Station in Antarctica
Even though our tent is within a short drive of McMurdo (a small town with most of the safety and logistical equipment on the entire continent), we still need to prepare ourselves for sudden, extreme weather. Every time we leave the relative safety of McMurdo, we carry our Extreme Cold Weather equipment and our tent…
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By 2100, Climate Change Could Alter Key Microbial Interactions in the Ocean
The warmer, more acidic waters caused by climate change influence the behavior of tiny marine organisms essential to ocean health.
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In Biblical Land, Searching for Droughts Past and Future
Human-influenced climate warming has already reduced rainfall and increased evaporation in the Mideast, worsening water shortages. Up to now, climate scientists had projected that rainfall could decline another 20 percent by 2100. But the Dead Sea cores suggest that things could become much worse, much faster.

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
