• 4 Middleton Shelving Facility
• 3 Steenbock Library
• 2 AOSS Library
• 1 Law Library
• 1 Verona Shelving Facility

• 29 Books
• 7 Journals, Magazines, Newspapers
• 1 Microforms
• 1 Videos, Slides, Films

• 15 Environmental aspects
• 8 Pollution
• 7 Environmental monitoring
• 7 Greenhouse gas mitigation
• 6 Climatic changes
• 5 Carbon sequestration
• 5 Government policy
• 5 Methane
• 5 Nitrous oxide
• 4 Carbon dioxide
• 3 Air
• 3 Carbon cycle (Biogeochemistry)
• 2 Atmospheric carbon dioxide
• 2 Automobiles
• 2 Carbon
• 2 Data processing
• 2 Ecosystem management
• 2 Emissions trading
• 2 Exhaust gas
• 2 Global warming
• 2 Greenhouse Gas Technology Center
• 2 Greenhouse effect, Atmospheric
• 2 Methodology

• 7 Geological Survey (U.S.)
• 4 Canada. Environment Canada
• 3 Canada. Greenhouse Gas Division
• 3 United States. Agricultural Research Service
• 3 Zhu, Zhiliang
• 2 Greenhouse Gas Technology Center
• 2 National Research Council (U.S.). Transportation Research Board
• 2 Neitzert, F
• 2 Olsen, K. (Kenneth)
• 2 Reed, Bradley C.
• 2 United States. Congress. House. Committee on Science and Technology (2007-2011). Subcommittee on Energy and Environment
• 2 United States. Environmental Protection Agency
• 2 Zhu, Zhiliang (Physical scientist)
• 1 ARS Climate Change, Soils, and Emissions National Program (U.S.)
• 1 Air Quality National Program (U.S.)
• 1 Airport Cooperative Research Program
• 1 Ang-Olson, Jeffrey
• 1 Bellassen, Valentin, 1985-
• 1 Boileau, P
• 1 Bonavita, Massimo
• 1 Bouchard, Michelle A. (Michelle Anne)
• 1 Brenton, Paul
• 1 Brohé, Arnaud
• 1 Browning, Louis Harold
• 1 Canada. Air Pollution Prevention Directorate

• 37 English

• 12 United States
• 6 Canada
• 2 Great Plains
• 1 Alaska
• 1 Developing countries
• 1 East (U.S.)
• 1 East United States
• 1 Hawaii
• 1 West (U.S.)

Limit year range