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Conservation and development of tropical rain forests

Gland, Switzerland | 31 Dec 1971 Literature

Energy and conservation

Gland, Switzerland | 31 Dec 1974 Literature

Principles replacing maximum sustainable yield as basis for management of wildlife resources

Gland, Switzerland | 31 Dec 1974 Literature

Agreements with industry on uses of threatened species

Gland, Switzerland | 31 Dec 1971 Literature

Palau

Gland, Switzerland | 31 Dec 1977 Literature

Environmental effects of modern agriculture

Gland, Switzerland | 31 Dec 1977 Literature

International trade in pesticides

Gland, Switzerland | 31 Dec 1980 Literature

Protection of mangrove ecosystems

Gland, Switzerland | 31 Dec 1980 Literature

Tropical moist forests

Gland, Switzerland | 31 Dec 1980 Literature

Environmental planning

Gland, Switzerland | 31 Dec 1980 Literature