• 87 Videos, Slides, Films

• 85 Biology
• 32 Environmental degradation
• 32 Environmental quality
• 32 Human ecology
• 26 Ecological regions
• 25 Ecology
• 24 Biodiversity
• 21 Effect of environment on
• 21 Human beings
• 20 Conservation of natural resources
• 20 Environmental law
• 20 Environmental policy
• 20 Environmental protection
• 20 Zoology
• 17 Biotic communities
• 16 Animals
• 14 Endangered ecosystems
• 14 Endangered species
• 13 Pollution
• 11 Human beings--Effect of environment on
• 10 Air
• 10 Climatic changes
• 10 Ecological zones

• 87 Infobase
• 23 Green Planet Films (Firm)
• 14 BBC (Firm)
• 14 PBS (Firm)
• 6 ClickView/VEA (Firm)
• 3 Australian Broadcasting Corporation (Firm)
• 3 Classroom Productions. Inc (Firm)
• 3 Kwanza (Firm)
• 3 Looking Glass International (Firm)
• 2 BBC Worldwide Learning (Firm)
• 2 Cerebellum Corporation (Firm)
• 2 Inside Science (Firm)
• 2 Network Ireland Television (Firm)
• 2 NewsHour Productions LLC (Firm)
• 1 ABC NEWS (Firm)
• 1 Allied Environmental Services Australia Pty Ltd (Firm)
• 1 CNN (Firm)
• 1 Collective Eye Films (Firm)
• 1 Film Ideas (Firm)
• 1 Intelligence Squared US (Firm)
• 1 Java Films (Firm)
• 1 Off the Fence Productions

• 85 English
• 1 Spanish
• 1 Unknown

• 87 Internet videos
• 74 Video recordings for the hearing impaired

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