| October, 1998 | Lori Ann Thrupp
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| October, 1998 | Matthew B. Arnold and Robert M. Day
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| August, 1998 | Jake Brunner, Kirk Talbot, and Chantal Elkin |
| June, 1998 | Allen Hammond |
| June, 1998 | John Ganzi, Frances Seymour, and Sandy Buffett, with Navroz Dubash
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| June, 1998 | Deanna M. Wolfire, Jake Brunner, and Nigel Sizer
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| June, 1998 | Dirk Bryant, Lauretta Burke, John McManus, and Mark Spalding
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| May, 1998 | Janet Ranganathan |
| May, 1998 | A joint publication by the World Resources Institute, the United Nations Environment Programme, the United Nations ... |
| April, 1998 | Marta Miranda with Alberto Blanco-Uribe Q., Lionel Hernández, José Ochoa G., and Edgard Yerena
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