Lamont-Doherty Earth Observatory109
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High Levels of Lead Contaminate Many Backyards in Brooklyn Neighborhood
An ongoing study finds that 92 percent of private yards in Greenpoint may have unsafe levels of lead in their soil.
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Ancient Humans Left Africa to Escape Drying Climate, Says Study
Ancient humans migrated out of Africa to escape a drying climate, says a new study—a finding that contradicts previous suggestions that ancient people were able to leave because a then-wet climate allowed them to cross the generally arid Horn of Africa and Middle East.
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Study Bolsters Volcanic Theory of Ancient Extinction
A team of scientists has found new evidence to bolster the idea that the Permian Extinction, which occurred 252 million years ago, was caused by massive volcanic eruptions in what is now Siberia.
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Mumbai May Be Vulnerable to Future Hurricanes
If a serious cyclone were to strike Mumbai, the results could be catastrophic, says a study underway at Columbia.
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Lamont-Doherty Campus Will Open to the Public on Saturday
The annual Open House promises a day of science-filled fun.
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Photo Essay: Climate Change, Sea Level and the Vikings
A thousand years ago, powerful Viking chieftans flourished in Norway’s Lofoten Islands, above the Arctic Circle. In an environment frequently hovering on the edge of survivability, small shifts in climate or sea level could mean life or death. People had to constantly adapt, making their living from the land and the sea as best they…
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What the Vikings Can Teach Us About Adapting to Climate Change
The rise of the Vikings was not a sudden event, but part of a long continuum of human development in the harsh conditions of northern Scandinavia. How did the Vikings make a living over the long term, and what might have influenced their brief florescence? Today, their experiences may provide a kind of object lesson…
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How Will Climate Change Impact Ocean Health?
Three scientists explain what they’re learning about the ocean’s changing conditions. These discoveries will contribute to the sustainable management and conservation of marine resources, helping to secure food for current and future generations.
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‘Pangeo’ Project Will Improve Access to Climate Data
The better climate models become, the harder it is to use them. One team of researchers is working to fix that.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
