• 150 Videos, Slides, Films

• 150 Ecological regions
• 86 Biodiversity
• 83 Ecology
• 68 Ecological zones
• 22 Geography
• 18 Earth sciences
• 17 Biology
• 17 Life sciences
• 13 Geology
• 12 Natural resources
• 12 Water use
• 10 Landforms
• 10 Physical geography
• 9 Endangered ecosystems
• 9 Endangered species
• 8 Physical geology
• 5 Earth (Planet)
• 5 North America
• 5 Social change
• 5 Sociology
• 4 Agricultural education
• 4 Air
• 4 Cities and towns

• 150 Films Media Group
• 25 Media Policy Center (Firm)
• 21 PBS (Firm)
• 20 BBC (Firm)
• 15 TV Only SAS (Firm)
• 11 BBC Worldwide Learning (Firm)
• 9 Camille S. DeBose (Firm)
• 5 Green Planet Films (Firm)
• 4 Video Education America (VEA) (Firm)
• 3 Classroom Productions. Inc (Firm)
• 3 Filmhub (Firm)
• 3 Mirror/Mirror Productions, Inc. (Firm)
• 3 National Geographic Digital Media (Firm)
• 2 A&E Networks (Firm)
• 2 Cerebellum Corporation (Firm)
• 2 Off the Fence Productions
• 2 Pumpkin TV (Firm)
• 1 ABC NEWS (Firm)
• 1 ARTE France (Firm)
• 1 Australian Broadcasting Corporation (Firm)
• 1 BayView Entertainment LLC. (Firm)
• 1 CINEFETE (Firm)
• 1 CNN (Firm)
• 1 Canadian Broadcasting Corp. (Firm)

• 148 English
• 2 Unknown

• 4 North America
• 1 Asia
• 1 Central America
• 1 South America

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