climate change89
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How Does the Ocean Drive Weather and Climate Extremes?
Lamont-Doherty Earth Observatory scientists Ryan Abernathey and Richard Seager are investigating how processes in the ocean create extreme weather and climate conditions over land.
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President Obama Continues to Build His Environmental Legacy
There are limits to how much a president can do without a congress willing to legislate. Barack Obama produced his environmental legacy through the creative and determined use of his executive authority.
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Drought and Fire Activity: What’s Climate Change Got to Do with It?
Lamont-Doherty Earth Observatory scientist Park Williams, recipient of a Center for Climate and Life Fellowship, is investigating the influence of climate change on droughts and wildfires.
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As Louisiana Floods, Measuring the Climate Change Effect
The heavy rains and flooding in Louisiana have been devastating. Can we attribute the severity of it to climate change? How you measure that depends on the questions you ask.
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Construction in the Swamp
Despite the miserable weather and ongoing rain, we constructed a wooden structure to hold the GPS receivers, solar panels and other electronic equipment between the three wells. We worked out how and where to mount the antennas and had parts made to accomplish it. Although I had to leave before it was completed, the team…
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Visit to a Different Delta: the Mississippi
This summer I am in the Mississippi Delta in southern Louisiana helping to install an updated version of the compaction meters that we have in Bangladesh. The environment is quite different and we have arrived in the midst of an historic storm. Luckily for us the brunt of the storm is NW of us. So…
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Symposium this Week on Climate and Adaptation
This week climate scientists from the United States and Europe will join with officials from government and international agencies at Columbia to share knowledge about climate change and strategies for adaptation in North America and the Caribbean.
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Wonder Where Pepperoni Went? Now We Know
Big Mac, Pepperoni, Billie Jo, Birdy Sanders, Bertie, Journey, Hippy and Twitter flew an average of about 1,215 km. “Paul,” named for a teacher who had passed away, traveled 3,220 km.
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Climate and Cod
A new study finds that the climatological phenomenon known as the North Atlantic Oscillation contributes to fluctuations in the cod population off the New England coast, and could help fishery managers protect the population from future collapse.
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
