• 21 Videos, Slides, Films

• 21 Mantle
• 16 Crust
• 16 Earth (Planet)
• 16 Earth sciences
• 16 Geology
• 16 Lithosphere
• 16 Physical geology
• 7 Natural resources
• 4 Earth currents
• 4 Geodynamics
• 4 Landforms
• 3 Environmental aspects
• 3 Geography
• 3 Physical geography
• 3 Power resources
• 3 Water use
• 2 Biosphere
• 2 Effect of human beings on
• 2 Energy consumption
• 2 Energy development
• 2 Environmental sciences
• 2 Human ecology
• 2 Management
• 2 Nature

• 21 Films Media Group
• 16 Infobase
• 5 Films for the Humanities & Sciences (Firm)
• 3 Cambridge Educational (Firm)
• 3 National Geographic Society (U.S.)
• 3 PBS (Firm)
• 2 Inside Science (Firm)
• 2 Palomar Community College District (Firm)
• 1 A&E Networks (Firm)
• 1 Bloomberg LP
• 1 Canadian Broadcasting Corp. (Firm)
• 1 Cerebellum Corporation (Firm)
• 1 EBS Trust (Firm)
• 1 Ethical Markets Media
• 1 TMW Media Group (Firm)
• 1 Video Education America (VEA) (Firm)

• 21 English

• 5 Earth (Planet)

• 21 Internet videos
• 5 Educational films
• 5 Videorecording

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