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