The West African Sahel : human agency and environmental change
1988
Gritzner, Jeffrey A. |
Man's impact on the environment
Reservas y cotos nacionales de caza : 1. Region pirenaica
1976
Ortuño, Francisco |
Peña, Jorge, de la |
El impacto biológico : problema ambiental contemporáneo
1990
Bolaños, Federico |
Pilot analysis of global ecosystems : coastal ecosystems
2000
Burke, Lauretta Marie |
Kura, Yumiko |
Kassem, Ken |
Revenga, Carmen |
Spalding, Mark |
McAllister, Don |
Pilot analysis of global ecosystems : freshwater systems
2000
Revenga, Carmen |
Brunner, Jake |
Henninger, Norbert |
Kassem, Ken |
Payne, Richard |
Tourism and development in mountain regions
2000
Godde, Pamela M. |
Price, Martin F. |
Zimmermann, Friedrich M. |
Changes in land use and land cover : a global perspective
1994
Meyer, Williams |
Turner, B. L. (Billie Lee) |
Something new under the sun : an environmental history of the twentieth century
2000
McNeill, John R. |
Threats to protected areas : squandering paradise? The importance and vulnerability of the world's protected areas
2000
Carey, Christine |
Dudley, Nigel |
Stolton, Sue |
Nature's place : human population and the future of biological diversity
2000
Cincotta, Richard P. |
Engelman, Robert |