• 52 Videos, Slides, Films

• 36 Social change
• 36 Sociology
• 34 Cities and towns
• 34 Study and teaching
• 18 Ecological regions
• 18 Environmental sciences
• 14 Human ecology
• 9 Biology
• 9 Environmental degradation
• 9 Environmental quality
• 9 Life sciences
• 7 Human beings--Effect of environment on
• 4 Biodiversity
• 4 Biotic communities
• 4 Ecology
• 4 History
• 4 Human geography
• 2 Business enterprises--Law and legislation
• 2 Cities and towns--Study and teaching
• 2 Civil law
• 2 Cultural geography
• 2 Education
• 2 Effect of environment on
• 2 Human beings

• 8 Filmhub (Firm)
• 8 Green Planet Films (Firm)
• 4 Media Policy Center (Firm)
• 4 PBS (Firm)
• 2 A&E Networks (Firm)
• 2 NewsHour Productions LLC (Firm)
• 1 Australian Broadcasting Corporation (Firm)
• 1 Autentic Distribution GmbH (Firm)
• 1 BBC (Firm)
• 1 BBC Worldwide Learning (Firm)
• 1 CINEFETE (Firm)
• 1 Collective Eye Films (Firm)
• 1 DCD Rights Limited (Firm)
• 1 DR TV (Television station : Copenhagen, Denmark)
• 1 Films for the Humanities & Sciences (Firm)
• 1 Green Interview (Firm)
• 1 Hedrick Smith Productions (Firm)
• 1 Home Box Office (Firm)
• 1 Intelligence Squared US (Firm)
• 1 KLRN-TV (Firm)
• 1 Kwanza (Firm)
• 1 MacNeil/Lehrer Productions (Firm)
• 1 Mirror/Mirror Productions, Inc. (Firm)

• 50 English
• 1 Spanish
• 1 Unknown

• 2 United States
• 1 Africa
• 1 Africa, Sub-Saharan
• 1 China
• 1 Europe
• 1 U.S. states

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