Our common future / World Commission on Environment and Development. World Commission on Environment and Development. Sustainable development. Nature Effect of human beings on. Environmental policy. Human ecology. HD75.6 .O97 1987 330.9 19 OUR Includes bibliographies. Oxford ; New York : Oxford University Press, 1987. 1987. 1987 Text xv, 383 p. ; http://www.loc.gov/catdir/enhancements/fy0603/87007853-d.html eng Oxford paperbacks