TY - BOOK ED - International Institute for Environment Affairs TI - Who speacks for earth?: 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 SN - 0393063925 PY - 1973/// CY - New York PB - W. W. Norton KW - Human ecology KW - Addresses, essays, lectures KW - Population KW - Pollution N1 - Includes index ER -