• 3 Videos, Slides, Films

• 3 Conservation of natural resources
• 3 Economic geography
• 3 Human geography
• 2 Environmental aspects
• 2 Land use
• 2 Water
• 1 Air
• 1 Climatic changes
• 1 Ecosystem management
• 1 History
• 1 International business enterprises
• 1 Management
• 1 Pollution
• 1 Social conditions
• 1 Social life and customs

• 3 Films Media Group
• 3 Films for the Humanities & Sciences (Firm)

• 3 English
• 2 Multiple languages
• 1 Spanish

• 1 Africa, Sub-Saharan
• 1 Australia
• 1 Bolivia
• 1 Oceania

Limit year range