At the hand of man : peril and hope for Africa's wildlife
1993
Bonner, Raymond |
Economic development
Namibia's green plan, environment and development : Namibia's green plan to secure for present and future generations a safe and healthy environment and a prosperous economy
1991
Brown, C. J. |
Arctic politics : conflict and cooperation in the circumpolar north
1992
Young, Oran R. |
Our common future
1987
Brundtland, Gro Harlem, Chairman |
Nature's price. The economics of Mother Earth
1979
van Dieren, Wouter |
Hummelinck, Marius G. W. |
Valuing the earth : economics, ecology, ethics
1993
Daly, Herman E. |
Townsend, Kenneth N. |
International eonomics of pollution
1975
Walter, Ingo |