• 5 Videos, Slides, Films

• 5 Civilization
• 5 Effect of human beings on
• 5 Nature
• 4 Environmental aspects
• 4 Human geography
• 3 Economic aspects
• 3 Physical geography
• 2 Conservation of natural resources
• 2 Cultural geography
• 2 Economic geography
• 2 Environmental protection
• 2 Political anthropology
• 2 Social change
• 2 Social ecology
• 2 Social structure
• 1 Economics
• 1 History
• 1 Population policy
• 1 Power (Social sciences)
• 1 Rural-urban migration
• 1 Social classes
• 1 Tribes

• 5 Films Media Group
• 5 Films for the Humanities & Sciences (Firm)
• 1 American Public Television
• 1 Minotaur International
• 1 Network Ireland Television
• 1 System TV (Firm)
• 1 Tele Images Creations (Firm)

• 5 English
• 2 Spanish

• 4 Latin America
• 3 South America
• 1 Central America
• 1 Japan
• 1 Mexico

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