• 4 Verona Shelving Facility
• 1 Steenbock Library

• 191 Videos, Slides, Films

• 21 DVDs

• 75 Conservation of natural resources
• 71 Natural resources
• 70 Water
• 65 Land use
• 63 Human geography
• 62 Economic aspects
• 58 Management
• 57 Environmental protection
• 57 Human ecology
• 55 Effect of human beings on
• 54 Nature
• 50 Power resources
• 46 Environmental geography
• 45 Energy consumption
• 45 Energy development
• 34 Pollution
• 28 Social ecology
• 23 Social change
• 21 Physical geography
• 20 Economic geography
• 19 Ecosystem management
• 18 Refuse and refuse disposal
• 18 Toxicology
• 17 Population policy

• 170 Films Media Group
• 12 Canadian Broadcasting Corporation
• 8 Public Broadcasting Service (U.S.)
• 8 Television Trust for the Environment
• 8 Wild Hare Productions LLC
• 7 Infobase
• 7 Network Ireland Television
• 7 Parthenon Entertainment (Firm)
• 7 System TV (Firm)
• 7 Video Education Australasia
• 6 Agency for Instructional Technology
• 6 British Broadcasting Corporation
• 6 Deutsche Welle
• 6 Green Planet Films
• 6 National Geographic Television & Film
• 5 Cambridge Educational (Firm)
• 5 New Atlantis (Firm)
• 3 4 Learning (Firm)
• 3 Allegro Productions (Firm)
• 3 Cran, William
• 3 Fred Friendly Seminars (Firm)
• 3 John, Rebecca
• 3 Journeyman Pictures (Firm)
• 3 Sanders, Jay O., 1953-

• 190 English
• 8 Multiple languages
• 1 French
• 1 Hausa
• 1 Lao
• 1 Niger-Kordofanian (Other)
• 1 Spanish
• 1 Tamashek

• 11 United States
• 8 Africa, Sub-Saharan
• 7 Canada
• 7 Earth (Planet)
• 5 China
• 5 India
• 5 South Asia
• 4 Latin America
• 4 South America
• 3 Africa, West
• 3 Alaska
• 3 Asia
• 3 Australia
• 3 Bangladesh
• 3 California
• 3 Ecuador
• 3 Middle East
• 3 Oceania
• 3 Southeast Asia
• 2 Africa
• 2 Caucasus
• 2 Central America
• 2 Europe
• 2 Idaho
• 2 Mexico, Gulf of

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