• 2 MERIT Library
• 1 College Library
• 1 Steenbock Library
• 1 Verona Shelving Facility

• 12 DVDs

• 24 Environmentalism
• 23 Environmental policy
• 23 Environmental sciences
• 23 Study and teaching
• 18 History
• 13 Renewable energy sources
• 11 Green movement
• 10 Human ecology
• 9 Environmental aspects
• 9 Sustainable development
• 8 Documentary films
• 8 Environmental economics
• 8 Power resources
• 8 Roommates
• 8 Science
• 8 Social life and customs
• 8 Students
• 7 Citizen participation
• 6 Ecology
• 6 Environmental protection
• 5 Climatic changes
• 5 Indigenous women
• 5 Women, Black
• 4 Economic conditions

• 28 Canal Futura (Television station : Rio de Janeiro, Brazil)
• 24 Alexander Street Press
• 19 DCGA Filmes
• 19 Giovanini, Dener
• 19 Levy, Joana
• 16 Cable News Network
• 13 Maverick Television (Television network)
• 8 Casa de Cinema de Porto Alegre
• 8 Ferraz, Kiko
• 8 Fischer, Janaína
• 8 Kanopy (Firm)
• 8 Kruel, Mirela
• 8 Media & Policy Center Foundation
• 8 Schoenardie, Márcio
• 7 Public Broadcasting Service (U.S.)
• 6 Baroff, Beverly
• 6 Campbell-Staton, Shane
• 6 Dappen, Nathan
• 6 Day's Edge Productions
• 6 Losin, Neil
• 6 Utopic Documentaries
• 5 Bullfrog Films
• 5 Paladina Filmes (Firm)
• 5 Rieper, Ana
• 3 Brook Lapping Productions

• 115 English
• 33 Portuguese
• 2 German
• 1 Chinese
• 1 Dutch
• 1 Japanese
• 1 Spanish

• 25 Brazil
• 10 Great Britain
• 3 Tanzania
• 3 United States
• 2 Africa
• 2 Austria
• 2 Easter Island
• 2 Europe
• 2 Mars (Planet)
• 2 Outer space
• 1 Australia
• 1 Earth (Planet)
• 1 England
• 1 France
• 1 Hawaii
• 1 Japan
• 1 Middle East
• 1 Oriximiná (Pará, Brazil)
• 1 Philippines
• 1 Sweden

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