 Upon the release of Nelson Mandela, Green worked directly with the leadership of the African National Congress, Harry Belafonte, and labor leaders Cleveland Robinson, and Jim Bell to formulate the Nelson Mandela Welcoming Committee for the historic visit of Mandela to the U.S.

From 1989 to 2005, Green served with distinction as the Chair of the Standing Committee on Children and Families in the New York State Legislature.During his tenure, he authored numerous groundbreaking laws dedicated to protecting the rights of children.During the height of the genocidal conflict within Rwanda, Dr. Vera Makonde, representing survivors of this tragedy who lived in the U.S., urged Green to serve as the Chair of the Rwanda Children's Aid Committee.