Piermont Marsh, along the Hudson River, has been overtaken by an invasive reed species called phragmites. Students in our high school field work program spent the summer studying the marsh and testing non-chemical methods to restore its native diversity.
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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!