Eisner was furthermore a member of the National Academy of Sciences, the American Academy of Arts and Sciences, and the American Philosophical Society. He received numerous honors, including the Tyler Prize for Environmental Achievement, the Harvard Centennial Medal, the 1994 National Medal of Science and the Lewis Thomas Prize for Writing about Science. He also held honorary degrees from universities in Sweden, Germany, Switzerland and the United States, and was a foreign fellow of the Royal Society. Eisner was additionally a member of the Deutsche Akademie der Naturforscher Leopoldina and Academia Europaea.