• 12 Land use
• 7 Energy consumption
• 7 Energy development
• 7 Natural resources
• 7 Power resources
• 6 Conservation of natural resources
• 6 Human geography
• 6 International business enterprises
• 5 Economic aspects
• 4 Biodiversity conservation
• 4 Environmental protection
• 3 Effect of human beings on
• 3 Environmental geography
• 3 Food
• 3 Food handling
• 3 Food security
• 3 Food supply
• 3 Human ecology
• 3 Nature
• 3 Pollution
• 3 Safety measures
• 2 Biotic communities

• 14 Films Media Group
• 14 Films for the Humanities & Sciences (Firm)
• 3 Television Trust for the Environment
• 2 National Geographic Television & Film
• 2 Video Education Australasia
• 1 Cambridge Educational (Firm)
• 1 Ethical Markets Media
• 1 Journeyman Pictures (Firm)
• 1 Network Ireland Television
• 1 Radio-Télévision belge de la communauté culturelle française
• 1 System TV (Firm)
• 1 Telepool GmbH

• 14 English
• 2 Multiple languages

• 2 Africa, Sub-Saharan
• 1 Australia
• 1 Oceania
• 1 Southeast Asia
• 1 United States

• 14 Educational films
• 14 Internet videos
• 14 Videorecording
• 5 Video recordings for the hearing impaired

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