• 137 Videos, Slides, Films

• 72 Water-supply
• 70 Natural resources
• 64 Environmental aspects
• 60 Water
• 47 Environmental sciences
• 45 Conservation of natural resources
• 42 Water use
• 29 Human geography
• 28 Economic aspects
• 28 Environmental protection
• 25 Human ecology
• 21 Effect of human beings on
• 21 Nature
• 17 Pollution
• 16 Food
• 16 Management
• 15 Environmental geography
• 13 Economic geography
• 13 Food supply
• 12 Environmental policy
• 12 Food handling
• 12 Safety measures
• 12 Social ecology
• 11 Food security

• 95 Films for the Humanities & Sciences (Firm)
• 45 Infobase
• 10 PBS (Firm)
• 8 Wild Hare Productions LLC
• 7 Video Education Australasia
• 6 Deutsche Welle
• 6 Green Planet Films (Firm)
• 5 ABC International
• 5 BBC Worldwide Ltd
• 5 CINEFETE (Firm)
• 5 Television Trust for the Environment
• 4 Agency for Instructional Technology
• 4 National Geographic Television & Film
• 3 Australian Broadcasting Corporation (Firm)
• 3 Cambridge Educational (Firm)
• 3 Kwanza (Firm)
• 3 New Atlantis (Firm)
• 2 Classroom Video (Firm)
• 2 Journeyman Pictures (Firm)
• 2 NPO/Netherlands Public Broadcast
• 2 Network Ireland Television
• 2 Video Education America (VEA) (Firm)
• 1 601 Production Ltd
• 1 Academic Media (Firm)

• 3 Multiple languages

• 4 Africa, Sub-Saharan
• 3 Asia
• 3 Australia
• 3 United States
• 2 Africa
• 2 China
• 2 Oceania
• 2 Southeast Asia
• 1 Bali (Indonesia : Province)
• 1 Ballona Wetlands
• 1 Ballona Wetlands (Calif.)
• 1 Brazil
• 1 California
• 1 Costa Rica
• 1 Djibouti
• 1 Earth (Planet)
• 1 Europe
• 1 Greece
• 1 Idaho
• 1 Los Angeles
• 1 Mexico, Gulf of
• 1 Mongolia
• 1 North America
• 1 South Asia
• 1 Venezuela

• 137 Internet videos
• 94 Educational films
• 94 Videorecording
• 68 Video recordings for the hearing impaired

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