• 3 Wisconsin's Water Library
• 2 College Library
• 1 AOSS Library
• 1 Law Library
• 1 MERIT Library
• 1 Steenbock Library
• 1 Wisconsin Historical Society Library

• 29 Videos, Slides, Films

• 10 Environmental aspects
• 9 Environmentalism
• 5 Environmental protection
• 5 History
• 4 Conservationists
• 4 Ecologists
• 4 Environmental policy
• 4 Hydraulic fracturing
• 4 Leopold, Aldo, 1886-1948
• 4 Naturalists
• 4 Nature conservation
• 3 Climatic changes
• 3 Corrupt practices
• 3 Environmental ethics
• 3 Environmental responsibility
• 3 Gas industry
• 3 Groundwater
• 3 Law and legislation
• 3 Pollution
• 3 Sustainable development
• 2 Accidents
• 2 Citizen participation
• 2 Ecology
• 2 Economic aspects
• 2 Effect of human beings on

• 7 Bullfrog Films
• 4 Aldo Leopold Foundation
• 4 Center for Humans and Nature
• 4 Coyote, Peter
• 4 Dunsky, Ann
• 4 Dunsky, Steve
• 4 First-Run Features (Firm)
• 4 Meine, Curt
• 4 Steinke, David, 1953-
• 4 United States. Forest Service
• 3 Most, Stephen
• 3 Video Project
• 2 Allende, Isabel
• 2 Docurama (Firm)
• 2 Fox, Josh, 1972-
• 2 HBO Documentary Films
• 2 Huffaker, Buddy
• 2 International WOW Company
• 2 Jones, Van, 1968-
• 2 Judd, Ashley
• 2 Kitchell, Mark
• 2 Redford, Robert
• 2 Shabecoff, Philip, 1934-
• 2 Streep, Meryl
• 1 42 Productions (Firm)

• 29 English
• 2 French
• 2 Spanish
• 1 Austronesian (Other)
• 1 Creoles and Pidgins, English-based (Other)
• 1 South American Indian (Other)

• 4 Wisconsin
• 1 Amazon River Region
• 1 América del Sur
• 1 Bougainville Island (Papua New Guinea)
• 1 Canada
• 1 Dakota Access Pipeline
• 1 Driftless Area
• 1 Ecuador
• 1 Europe
• 1 Marcellus Shale
• 1 Montana
• 1 New York
• 1 New York (State)
• 1 North Dakota
• 1 Oklahoma
• 1 Ottawa County
• 1 Papua New Guinea
• 1 Sioux Nation
• 1 South America
• 1 Standing Rock Indian Reservation
• 1 Standing Rock Indian Reservation (N.D. and S.D.)
• 1 Tar Creek (Okla. and Kan.)
• 1 Yellowstone National Park
• 1 États-Unis

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