• 1 MERIT Library
• 1 Verona Shelving Facility

• 14 Videos, Slides, Films

• 7 DVDs

• 12 Pollution
• 8 Environmental aspects
• 3 Water-supply
• 2 Agricultural pollution
• 2 Cancer
• 2 Citizen participation
• 2 Environmental Pollution
• 2 Fertilizers
• 2 Marine eutrophication
• 2 Nonpoint source pollution
• 2 Nutrient pollution of water
• 2 Prevention
• 2 Water quality management
• 1 Acid rain
• 1 Carcinogens
• 1 Carcinogens, Environmental
• 1 Chemical spills
• 1 Climatic changes
• 1 Coastal ecology
• 1 Conservation of natural resources
• 1 Cosmology
• 1 Drilling and boring
• 1 Earth sciences
• 1 Ecological disturbances

• 5 Bullfrog Films
• 2 Bell Museum of Natural History
• 2 Coffin, Barbara
• 2 Coyote, Peter
• 2 Malos, Bob
• 2 McPhee, Larkin
• 1 Anderson, Debra
• 1 Anderson, Tim
• 1 Angelo, Mark
• 1 Baichwal, Jennifer
• 1 Barett, Brendan
• 1 Beins, Simon
• 1 Big Picture Media Corporation
• 1 Bowden, Dave
• 1 Burtynsky, Edward, 1955-
• 1 CanWest Global Communications Corp
• 1 Ceres Trust (Organization)
• 1 Cheney, Ian
• 1 Chevannes, Chanda
• 1 Clark, Dorie
• 1 Crawford, Doug
• 1 Day, Joe
• 1 De Pencier, Nick
• 1 Documentary Educational Resources (Firm)
• 1 Downie, Gordon, 1964-2017

• 14 English
• 2 Spanish
• 1 Bengali
• 1 Chinese
• 1 Hindi

• 2 Colorado
• 2 Mexico, Gulf of
• 2 Minnesota
• 2 Mississippi River
• 2 Mississippi River Watershed
• 1 Alberta
• 1 Athabasca River
• 1 Athabasca River Region
• 1 Athabasca River Watershed (Alta.)
• 1 Athabasca Tar Sands (Alta.)
• 1 Ayuquila River
• 1 Ayuquila River Watershed
• 1 British Columbia
• 1 Canada
• 1 Canada, Western
• 1 Fort Chipewyan
• 1 Garfield County
• 1 Great Lakes (North America)
• 1 Leominster
• 1 Mars (Planet)
• 1 Massachusetts
• 1 Mexico
• 1 Nashua River (Mass. and N.H.)
• 1 Outer space
• 1 Rocky Mountains

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