https://openlibrary.org/books/OL5291514M.opdsWho speaks for earth?2022-12-04T13:02:18ZBarbara Wardhttps://openlibrary.org/authors/OL8137447A/Barbara_WardMaurice F. Stronghttps://openlibrary.org/authors/OL899036A/Maurice_F._StrongNortonNew York1973173 p.[1st ed.]Seven lectures sponsored by the International Institute for Environmental Affairs during the United Nations Conference on the Human Environment held in Stockholm in June 1972.enghttps://openlibrary.org/books/OL5291514Mhttps://archive.org/details/whospeaksforeart00interichurn:ISBN:039306392572011726