Press Release
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Giant Canyon on Mars Is Still Tectonically Active Today
Scientists at Columbia University and Imperial College London have found that the largest canyon system in the solar system is still active and shaping Mars today, billions of years after it first formed.
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Microplastics Are Chemically Active, and Could Cause Biological Harm
A new study found that when microplastics contact water, their surfaces can become chemically reactive. This could be how they get us sick.
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Study Links NYC Congestion Pricing Policy to Cleaner Air In Lower Manhattan
One year after NYC launched its congestion pricing policy, fine particulate pollution inside Manhattan’s congestion relief zone was 13 percent lower, according to a new analysis.
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September Research Roundup: Select Papers
In this month’s edition of our research roundup, we look at the impact of suspending U.S. embassy reporting on air quality; why two extreme heatwaves had different impacts; and how to make vulnerable populations in smaller cities more visible.
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On Ancient Madagascar, Large Native Herbivores Paid the Price as Introduced Livestock Spread
New analyses of ancient cattle, sheep and goat bones suggest that the rapid spread of introduced livestock 1,200 years ago coincided with forest loss and population declines among large native herbivores.
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Robot Sailboats Will Spend Five Years Measuring Carbon in the Southern Ocean
Led by researchers at NOAA and Columbia University, the Constraining Ocean Carbon with Optimized Observing (COCO2) project will use uncrewed surface vehicles to reduce uncertainty in estimates of the ocean carbon sink.
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New Report: Ocean Carbon Removal Shows Promise, But Big Questions Remain
Marine carbon dioxide removal could support climate action but faces major scientific, technical and governance challenges, according to a National Academies of Sciences, Engineering, and Medicine report.
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Unused Natural Gas Behind NYC’s $300 Million Waste of a Potent Greenhouse Gas
New research may offer cities an overlooked pathway for reducing methane emissions while potentially saving consumers millions of dollars lost to wasted natural gas.
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Dangerous Hot Days Are Spreading Beyond Summer
Extreme heat has become more common. But a new study finds that these events are no longer confined to the warmest part of the year; they are also becoming more frequent in the months before and after.
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
