• 72 Videos, Slides, Films
• 1 Computer file

• 2 DVDs

• 28 Biodiversity
• 27 Biosphere
• 27 Biotic communities
• 26 Population
• 21 Physical geography
• 21 Pollution
• 20 Ecosystem management
• 18 Marine biology
• 17 Environmental chemistry
• 13 Biogeography
• 13 Water
• 12 Conservation of natural resources
• 11 Air
• 11 Climatic changes
• 9 Natural resources
• 9 Refuse and refuse disposal
• 9 Toxicology
• 8 Environmental aspects
• 8 Marine organisms
• 7 Animal behavior
• 7 Deserts
• 7 Effect of human beings on
• 7 Marine ecology
• 7 Reproduction

• 70 Films Media Group
• 15 Parthenon Entertainment (Firm)
• 10 Infobase
• 7 BBC Worldwide Ltd
• 7 National Geographic Television & Film
• 4 Ampersand Film & Video Tape Productions
• 3 Granada Media (Firm)
• 3 Information Television Network
• 2 Content Media Corporation
• 2 DR TV (Television station : Copenhagen, Denmark)
• 2 System TV (Firm)
• 2 Video Education Australasia
• 1 A&E Television Networks, LLC
• 1 ABC News Productions
• 1 Alda, Alan, 1936-
• 1 Allegro Productions (Firm)
• 1 Attenborough, David, 1926-
• 1 Barrington, Rupert
• 1 Broome, Kate
• 1 Canadian Broadcasting Corporation
• 1 Class, Sarah
• 1 Danmarks radio
• 1 Daugaard, Michael
• 1 Discovery Channel (Firm)

• 73 English

• 3 Arabian Peninsula
• 3 Earth (Planet)
• 3 United States
• 2 Hawaii
• 2 South America
• 1 Alaska
• 1 Atacama Desert (Chile)
• 1 Burma
• 1 Cuba
• 1 Cyprus
• 1 Djibouti
• 1 Everglades National Park (Fla.)
• 1 Fiji
• 1 Galapagos Islands
• 1 Gobi Desert (Mongolia and China)
• 1 Iceland
• 1 Mexico
• 1 Mexico, Gulf of
• 1 Namibia
• 1 Outer space
• 1 Red Sea
• 1 Serengeti National Park (Tanzania)
• 1 Sonoran Desert
• 1 Tanzania
• 1 Thar Desert (India and Pakistan)

• 70 Educational films
• 70 Internet videos
• 70 Videorecording
• 11 Video recordings for the hearing impaired
• 1 Biography
• 1 Documentary films
• 1 Environmental films

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