• 14 Videos, Slides, Films

• 14 Natural history
• 13 Ecology
• 9 Physical geography
• 6 Biotic communities
• 6 Habitat (Ecology)
• 5 Motion picture authorship
• 2 Desert ecology
• 2 Deserts
• 2 Forests and forestry
• 2 Grasslands
• 2 Jungles
• 1 Animals and civilization
• 1 Caves
• 1 Cities and towns
• 1 Climatic changes
• 1 Forest ecology
• 1 Fresh water
• 1 Hydrologic cycle
• 1 Islands
• 1 Mountains
• 1 Plains
• 1 Tropics
• 1 Water

• 9 BBC Worldwide Americas, Inc.
• 9 British Broadcasting Corporation
• 9 Discovery Channel (Firm)
• 9 Fothergill, Alastair
• 9 Nihon Hōsō Kyōkai
• 5 BBC Worldwide Ltd.
• 4 BBC America
• 4 British Broadcasting Corporation. Natural History Unit
• 4 France télévision
• 4 Tencent Pictures
• 4 Zweites Deutsches Fernsehen
• 3 Cordey, Huw
• 2 Berlowitz, Vanessa
• 2 Linfield, Mark
• 1 Brownlow, Mark
• 1 Charles, Ed
• 1 Devas, Fredi
• 1 Hunter, Chadden Piers
• 1 Keeling, Jonny
• 1 Napper, Emma
• 1 White, Elizabeth (Producer)

• 1 Everest, Mount (China and Nepal)
• 1 Himalaya Mountains
• 1 Polar regions

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