• 1 Wisconsin's Water Library

• 1 DVDs

• 7 Cities and towns
• 6 History
• 1 Agricultural pollution
• 1 Community Participation
• 1 Conservation of Natural Resources
• 1 Ecology
• 1 Environmental aspects
• 1 Factory and trade waste
• 1 Food-Processing Industry
• 1 Industrial Waste
• 1 Law and legislation
• 1 London (England)
• 1 Marine pollution
• 1 Physiological effect
• 1 Water
• 1 Water Pollution
• 1 adverse effects
• 1 legislation & jurisprudence

• 3 BBC Worldwide Ltd
• 3 Films Media Group
• 3 Films for the Humanities & Sciences (Firm)
• 2 Snow, Dan, 1978-
• 1 British Broadcasting Corporation
• 1 Hedrick Smith Productions
• 1 Hooper, Louise
• 1 Public Broadcasting Service (U.S.)
• 1 Robbins, Andy
• 1 Snow, Dan
• 1 Turner, Jeremy
• 1 WGBH Educational Foundation

• 7 English

• 2 New York (N.Y.)
• 2 Paris (France)
• 1 Chesapeake Bay (Md. and Va.)
• 1 London (England)
• 1 Maryland
• 1 Puget Sound (Wash.)
• 1 United States
• 1 Virginia
• 1 Washington
• 1 Washington (State)

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

Limit year range