Lamont-Doherty Earth Observatory23
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An Archive of the Stars Is Born
NASA has designated a group at Lamont-Doherty Earth Observatory with preserving and making easily accessible data from all the extraterrestrial material curated by the agency.
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Study Reveals Long-Distance Levers Behind U.S. Southwest Drought—and a Dry Future
The U.S. Southwest has suffered a historic drought over the past two decades. A new study elucidates the drivers, and says conditions will never return to those of the relatively wet 20th century.
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When It Rains, It Pours. Why?
Atmospheric scientist Michela Biasutti investigates what drives rainfall on a wide variety of time scales, and how climate change may affect it. She is passing on the basics to students.
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Tackling Severe Air Pollution in Africa
An atmospheric scientist has been working to measure and mitigate a longtime health crisis afflicting much of the continent.
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The Cyclones She Experienced as a Child Led to a Career in Hurricane Risk
Atmospheric physicist Chia-Ying Lee is working to improve our understanding of how tropical cyclones will evolve in the future.
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Five Columbia Climate Researchers Honored by Leading Scientific Organizations
Scientists connected to the Climate School received notable accolades from the American Geophysical Union and the American Meteorological Society.
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Columbia Climate School Postdoctoral Research Program Now Accepting Applications for 2024
Doctoral candidates or recent Ph.D., M.D., J.D. or Sc.D. recipients interested in research on sustainable development can apply by November 1.
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With Drones, Geophysics and ArtificiaI Intelligence, Researchers Prepare to Do Battle Against Land Mines
Finding land mines the old-fashioned way—on foot, with a metal detector—is agonizingly slow and dangerous. Scientists are working to make the process faster and safer.
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How Ecology Could Inspire Better Artificial Intelligence, and Vice Versa
Two complex fields of human endeavor may have a lot to learn from each other.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
