Press Release15
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Clay Layers and Distant Pumping Trigger Arsenic Contamination in Bangladesh Groundwater
Widely considered a screen against contamination, clay layers may actually enhance arsenic leakage into some aquifers, study finds.
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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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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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Unusually Clear Skies Drove Record Loss of Greenland Ice in 2019
Study identifies unprecedented atmospheric conditions behind devastating summer; suggests climate models may greatly underestimate future melting.
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American Robins Now Migrate 12 Days Earlier Than in 1994
New GPS data show birds adjust to shifting snow conditions as climate warms
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Increasingly Mobile Sea Ice Means Arctic Neighbors May Pollute Each Others’ Waters
The movement of sea ice between Arctic countries is expected to significantly increase this century, raising the risk of more widely transporting pollutants like microplastics and oil, according to new research.
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Even a Limited India-Pakistan Nuclear War Would Bring Global Famine, Says Study
Even a limited nuclear exchange between India and Pakistan would cause unprecedented planet-wide food shortages lasting more than a decade.
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Shifts in Deep Geologic Structure May Have Magnified Great 2011 Japan Tsunami
A new study looks at why the 2011 Tohoku tsunami off Japan was unexpectedly huge.
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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.

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
