• 83 Videos, Slides, Films

• 53 Earth (Planet)
• 36 Physical geology
• 30 Earth movements
• 30 Seismology
• 28 Surface
• 27 Mantle
• 21 Geography
• 20 Physical geography
• 17 Environmental sciences
• 17 Natural resources
• 16 Crust
• 16 Geology, Structural
• 16 Landforms
• 16 Lithosphere
• 16 Water use
• 15 Earth currents
• 15 Geodynamics
• 13 Biotic communities
• 13 Ecological regions
• 13 Ecological zones
• 11 Historical geology
• 6 Weather
• 3 Atmosphere

• 83 Films Media Group
• 16 PBS (Firm)
• 12 Camille S. DeBose (Firm)
• 12 Cerebellum Corporation (Firm)
• 5 A&E Networks (Firm)
• 5 BBC (Firm)
• 4 National Geographic Society (U.S.)
• 4 Palomar Community College District (Firm)
• 3 BBC Worldwide Learning (Firm)
• 3 Off the Fence Productions
• 2 American Geosciences Institute (Firm)
• 2 Canadian Broadcasting Corp. (Firm)
• 2 Inside Science (Firm)
• 2 Video Education America (VEA) (Firm)
• 1 American Public Television (Firm)
• 1 Australian Broadcasting Corporation (Firm)
• 1 Bloomberg LP
• 1 Discovery Education (Firm)
• 1 Espresso TV (Firm)
• 1 MVD (Firm)
• 1 Magic Lantern Media Inc (Firm)
• 1 Mazzarella Media (Firm)
• 1 NHK ENTERPRISES 21, INC. (Firm)
• 1 QA International (Firm)

• 82 English
• 1 Unknown

• 1 Asia

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