Environmental change in drylands : biogeographical and geomorphological perspectives 1994 Millington, A. C. | Pye, Ken |
Population, environment and development : proceedings of the United Nations expert group meeting... convened as part of the substantive preparations for the International Conference on Population and Development, 1994 1994
Global security beyond 2000 : global population growth, environmental degradation, migration, and transnational organized crime. Conference report 1996 Burros, William |
Regions at risk : comparisons of threatened environments 1995 Kasperson, Jeanne X. | Kasperson, Roger E. | Turner, B. L. (Billie Lee) |