William Ginsberg (1930–2006) was an attorney, environmentalist, author and professor of environmental law.
Ginsberg served as commissioner of parks and recreation in New York City, to which post he was appointed by Mayor John Lindsay in 1968.
Ginsberg litigated a landmark case in environmental law decided by the highest court in New York State, called Mohonk v. Town of Gardiner (N.Y. 1979), a case which involved the Mohonk Preserve in Ulster County, New York, and established the proposition that a nature preserve protected by a conservation easement could qualify for a tax deduction.
Ginsberg served as the hearing officer for the New York state panel investigating the Love Canal pollution site in 1979.
Dennis Hevesi, William Ginsberg, Advocate For Preservation of Open Space, New York Times, May 19, 2006