Global Change Abbreviations and Acronyms
- NRENNational Research and Education Network
- NSCATNasa Scatterometer Project
- NSDINational Spatial Data Infrastructure
- NSFNational Sanitation Foundation
- NSIDCNational Snow and Ice Data Center (University of Colorado, Boulder)
- NSSDCNational Space Science Data Center (Greenbelt, MD)
- NSTCNational Science and Technology Council (U.S.)
- NTISNational Technical Information Service Technology Administration
- OACESOcean-Atmosphere Carbon Exchange Study
- ODPOzone Depletion Potential
- OECDOrganization for Economic Cooperation and Development
- OESBureau of Oceans and International Environmental and Scientific Affairs
- OGCMOcean General Circulation Model
- OMBOffice of Management and Budget (U.S.)
- ONROffice of Naval Research (U.S.)
- ORNLOak Ridge National Laboratory's
- OSTIOffice of Scientific and Technical Information (DOE)
- OSTPOffice of Science and Technology Policy
- OTAOffice of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
- OTTEROregon Transect Ecosystem Research
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