• 1 MERIT Library

• 1 DVDs

• 6 Animals
• 5 Animal diversity
• 5 Animal ecology
• 5 Biodiversity
• 5 Evolution (Biology)
• 4 Global warming
• 4 Physical geography
• 3 Earth sciences
• 2 Effect of human beings on
• 2 Natural history
• 2 Nature
• 1 Aquatic ecology
• 1 Continental drift
• 1 Desertification
• 1 Ecology
• 1 Effect of climate on
• 1 Extinction (Biology)
• 1 Glaciers
• 1 Global environmental change
• 1 Global temperature changes
• 1 Grasslands
• 1 Greenhouse effect, Atmospheric
• 1 Heat
• 1 Heat waves (Meteorology)

• 6 Public Broadcasting Service (U.S.)
• 5 ARTE France
• 5 Campbell-Staton, Shane
• 5 Love Nature (Firm)
• 5 Passion Planet (Firm)
• 4 British Broadcasting Corporation
• 4 Keyte, Charlotte
• 3 BBC Worldwide Ltd.
• 3 Keeling, Rachelle
• 3 Lawrie, Ben
• 3 National Geographic Channel (Television station : Washington, D.C.)
• 3 Renouf, Jonathan
• 3 Stewart, Iain S.
• 2 Harris, Rebecca (Television producer)
• 2 Lathane, Charlotte
• 2 Twinch, Oliver
• 1 Arts and Entertainment Network
• 1 Attenborough, David, 1926-
• 1 BBC Worldwide Americas, Inc.
• 1 Berlowitz, Vanessa
• 1 Bstan-ʼdzin-rgya-mtsho, Dalai Lama XIV, 1935-
• 1 Chin, Peter
• 1 DeVries, David
• 1 Discovery Channel (Firm)
• 1 Flight 33 Productions (Firm)

• 11 English

• 2 Polar regions
• 1 Solar system

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