• 243 Videos, Slides, Films

• 76 Conservation of natural resources
• 71 Natural resources
• 70 Water
• 64 Land use
• 63 Human geography
• 58 Environmental protection
• 57 Economic aspects
• 57 Human ecology
• 56 Management
• 54 Effect of human beings on
• 54 Nature
• 51 Power resources
• 46 Environmental geography
• 45 Energy consumption
• 45 Energy development
• 36 Pollution
• 28 Social ecology
• 27 Study and teaching
• 24 Environmental sciences
• 23 Social change
• 21 Physical geography
• 20 Economic geography
• 20 Toxicology
• 19 Ecosystem management

• 196 Films Media Group
• 168 Films for the Humanities & Sciences (Firm)
• 34 Alexander Street Press
• 13 Annenberg Learner (Firm)
• 12 Green Planet Films
• 9 Docuseek2 (Firm)
• 9 Public Broadcasting Service (U.S.)
• 8 Network Ireland Television
• 8 Television Trust for the Environment
• 8 Wild Hare Productions LLC
• 7 Canadian Broadcasting Corporation
• 7 Infobase
• 7 Parthenon Entertainment (Firm)
• 7 System TV (Firm)
• 7 Video Education Australasia
• 6 Agency for Instructional Technology
• 6 Deutsche Welle
• 6 National Geographic Television & Film
• 5 Bullfrog Films
• 5 Cambridge Educational (Firm)
• 5 Journeyman Pictures (Firm)
• 5 New Atlantis (Firm)
• 3 4 Learning (Firm)
• 3 Allegro Productions (Firm)
• 3 Filmakers Library, inc

• 241 English
• 8 Multiple languages
• 3 Hindi
• 2 Spanish
• 1 French
• 1 German
• 1 Hausa
• 1 Japanese
• 1 Lao
• 1 Niger-Kordofanian (Other)
• 1 Tamashek
• 1 Undetermined
• 1 Urdu

• 20 Earth (Planet)
• 14 United States
• 8 Africa, Sub-Saharan
• 7 India
• 6 California
• 6 South Asia
• 5 Australia
• 5 Canada
• 5 China
• 4 Latin America
• 4 South America
• 3 Asia
• 3 Bangladesh
• 3 Idaho
• 3 Middle East
• 3 Oceania
• 3 Southeast Asia
• 2 Africa
• 2 Alaska
• 2 Alberta
• 2 Ballona Wetlands
• 2 Ballona Wetlands (Calif.)
• 2 Central America
• 2 Europe
• 2 Great Britain

• 180 Educational films
• 168 Videorecording
• 104 Video recordings for the hearing impaired
• 39 Documentary films
• 12 Nonfiction films
• 6 Feature films
• 4 Environmental films
• 4 Lectures
• 2 Instructional films
• 1 Biography
• 1 Case studies
• 1 Drama
• 1 Fiction films
• 1 Horror films
• 1 Instructional television programs
• 1 Personal narratives, Japanese
• 1 Popular works
• 1 Science fiction films
• 1 Short films
• 1 Webcast

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