| December, 1985 | Robert Repetto |
| April, 1986 | A report by the World resources Institute and the International Institute for Environment and Development |
| April, 1987 | International Institute for Environment and Development and World Resources Institute |
| January, 1988 | WRI, IIED, UNEP |
| July, 1990 | World Resources Institute, in collaboration with the United Nations Environment Programme and the United Nations ... |
| March, 1992 | World Resources Institute in collaboration with the United Nations Environment Programme and the United Nations ... |
| June, 1992 | James J. MacKenzie, Roger C. Dower and Donald D.T. Chen |
| October, 1992 | Carol H. Weiss, Ed. |
| November, 1992 | Robert Repetto, Roger C. Dower, Robin Jenkins, and Jacqueline Geoghegan |
| March, 1994 | World Resources Institute in collaboration with the United Nations Environment Programe and the United Nations ... |