| 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 |
| October, 1987 | Mark Kosmo |
| January, 1988 | WRI, IIED, UNEP |
| September, 1988 | James J. MacKenzie and Mohamed T. El-Ashry |
| March, 1990 | Francesca Lyman with Irving Mintzer, Kathleen Courrier, and James MacKenzie |
| July, 1990 | World Resources Institute, in collaboration with the United Nations Environment Programme and the United Nations ... |
| June, 1991 | Walter V. Reid and Mark C. Trexler |
| 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 |