• 1 Steenbock Library
• 1 Wisconsin's Water Library

• 3 DVDs

• 3 Environmental aspects
• 3 Law and legislation
• 3 Water
• 2 Agricultural pollution
• 2 Cities and towns
• 2 Ecology
• 2 Factory and trade waste
• 2 Growth
• 2 Marine pollution
• 1 Acid rain
• 1 Chemical industry
• 1 Chemicals
• 1 Community Participation
• 1 Conservation of Natural Resources
• 1 Environmental degradation
• 1 Environmental health
• 1 Environmental protection
• 1 Environmentally induced diseases
• 1 Experiments
• 1 Food-Processing Industry
• 1 Global warming
• 1 Hazardous substances
• 1 Health aspects

• 2 Hedrick Smith Productions
• 2 Public Broadcasting Service (U.S.)
• 2 WGBH Educational Foundation
• 1 Delaney, Rory Owen
• 1 Films Media Group
• 1 Films for the Humanities & Sciences (Firm)
• 1 Jain, Aruna
• 1 Kocsis, Tibor
• 1 Man Bites Dog Films
• 1 Migrant Turtle Films
• 1 PBS Home Video
• 1 Shaffer, Marc
• 1 Smith, Hedrick
• 1 Tuchman, Jeffrey
• 1 Warner, Byron
• 1 Windrose SAS
• 1 Young, Rick

• 6 English

• 3 United States
• 2 Chesapeake Bay (Md. and Va.)
• 2 Puget Sound (Wash.)
• 1 Budapest
• 1 Hungary
• 1 Maryland
• 1 Virginia
• 1 Washington
• 1 Washington (State)

• 3 Documentary films
• 2 Documentary television programs
• 2 Educational television programs
• 2 Environmental television programs
• 2 Nonfiction television programs
• 2 Video recordings for the hearing impaired
• 1 Educational films
• 1 Internet videos
• 1 Nonfiction films
• 1 Videorecording

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