climate11
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Shrinking Snowcaps Fuel Harmful Algal Blooms in Arabian Sea
Driven by changing climate, a uniquely resilient organism is taking over the Arabian Sea, disrupting food chains, fisheries, oil refineries and water desalination plants.
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How Catastrophic Floods May Have Carved Greenland’s ‘Grand Canyon’
In a new study, researchers propose a mechanism for how mega-canyons under northern Greenland’s ice sheet formed: from a series of catastrophic outburst floods that suddenly and repeatedly drained lakes of meltwater.
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Climate-Driven Megadrought Is Emerging in Western U.S., Says Study
Scientists say a long-feared megadrought, worse than anything in recorded history, seems to be starting up in southwestern North America.
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Ozone Treaty Stopped Jet-Stream Drift in Southern Hemisphere
Researchers long ago predicted that the 1987 Montreal Protocol, banning ozone-depleting gases, would reverse a worrisome trend in Southern Hemisphere winds. A new study shows they were right.
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Video: Launch of NextGen Climate Forecasting System in Colombia
In August of 2019, Colombia’s national meteorological service, IDEAM, launched a state-of-the-art climate forecasting system called NextGen.
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Rain, More Than Wind, Led to Massive Toppling of Trees in Hurricane Maria, Says Study
The surprising finding suggests that future hurricanes stoked by warming climate may be even more destructive to forests than scientists have already projected.
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Focus on Food Would Help Solve Climate Change, Says Study
A paper released today presents a new global food system approach to climate-change research that brings together agricultural production, supply chains and consumption.
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Jeff Fralick: Chasing Storms and Change
Always weather-obsessed, Fralick enrolled in the Sustainability Science program because he wants to take on the threats of climate change and incorporate sustainable practices into everyday life.
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Climate and the Personal Essay — A Reading List
In a new reading group, students will explore the emotional and personal side of climate change. Follow along with this reading list.
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
