Lamont–Doherty Earth Observatory

Lamont-Doherty Earth Observatory
Company typeNon-profit research institute
Founded1948
HeadquartersPalisades, New York
Key people
Steven L. Goldstein, Interim Director
ParentColumbia University 
Websitewww.ldeo.columbia.edu

The Lamont-Doherty Earth Observatory (LDEO) is a research institution of Columbia University specializing in the Earth system science. It is located on its own campus north of Manhattan in Palisades, New York.

The observatory was one of the centers of research that led to the development of the theory of plate tectonics as well as many other notable scientific developments.