L'avenir de l'environnement mondial 2000
2000
Statistical data
Forest resources in Europe 1950-1990
1994
Kuusela, Kullervo |
Water in crisis : a guide to the world's fresh water resources
1993
Gleick, Peter H. |
Guide to global environmental statistics
1998
Baker, Doug |
Curtis, Caroll |
Neiman, Arwen |
Tohill-Stull, Amy |
Tunstall, Daniel B. |
Facts and figures on Europe's biodiversity : state and trends 1998-1999
1998
Delbaere, Ben |
Estadísticas sobre el recurso agua en Colombia
1992
Marin Ramirez, Rodrigo |
Vital signs 1996-1997 : the trends that are shaping our future
1996
Brown, Lester R. (Lester Russell) |
Kane, Hal |
Flavin, Christopher |
Starke, Linda |