• 3 DVDs

• 3 Geology
• 2 Biogeochemical cycles
• 2 Climatic changes
• 2 Effect of human beings on
• 2 Geology, Stratigraphic
• 2 Habitat (Ecology)
• 2 International Union of Geological Sciences. Commission on Stratigraphy. Anthropocene Working Group
• 2 Nature
• 2 Ocean and civilization
• 2 Oceanography
• 2 Sequence stratigraphy
• 1 Adaptation (Biology)
• 1 Amphibians
• 1 Animal diversity
• 1 Animal migration
• 1 Animals
• 1 Aquatic ecology
• 1 Biodiversity
• 1 Biotic communities
• 1 Birds
• 1 Coasts
• 1 Core
• 1 Deep-sea animals
• 1 Desert ecology

• 2 Attenborough, David, 1926-
• 2 Bradshaw, Steve (Journalist)
• 2 British Broadcasting Corporation
• 2 Bullfrog Films
• 2 Cassini, Stefano
• 2 Flaxmoor Productions
• 2 Fothergill, Alastair
• 2 Gabbay, Alex
• 2 Kyriacou, Sotira
• 2 Ostby, Magne
• 2 Panos Pictures
• 2 Spring Films
• 2 Television Trust for the Environment
• 1 Allan, Douglas
• 1 BBC Video (Firm)
• 1 Bass, Karen
• 1 Brosnan, Pierce
• 1 DeGruy, Michael, 1951-2012
• 1 Discovery Channel (Firm)
• 1 Ellis, Erle
• 1 Fenton, George
• 1 Gonzalez, Monica Berger
• 1 Holmes, Martha, 1961-
• 1 McNeil, John
• 1 Odada, Eric O. (Eric Onyango)

• 5 English

• 1 Alaska
• 1 Arctic regions
• 1 Botswana
• 1 British Columbia
• 1 Eastern Hemisphere
• 1 Great Plains
• 1 Kalahari Desert
• 1 Northern Hemisphere
• 1 Okavango River Delta
• 1 Polar regions
• 1 Serengeti Plain
• 1 South Africa
• 1 Southern Hemisphere
• 1 Tanzania
• 1 Tropics
• 1 Western Hemisphere

Limit year range