Environment Abbreviations and Acronyms
- NWRCNational Water Research Center
- NWRCNational Water Rasearch Centre
- NWRINational Water Research Institute
- NWRPNational Water Resources Plan
- NWSNaval Weather Service
- NWSNational Weather Service (formerly U.S. Weather Bureau)
- NWSDBNational Water Suppfy & Drainage Board
- NWSOPNational Winter Storms Operations Plan
- NWSTCNational Weather Service Telecommunications
- NWTPNorthern Water Treatment Plant
- NXONitrogen Oxides
- NY-TESTNew York'S Transient Emission Short Test
- NYCAPNew York Coalition for Alternatives To Pesticides
- NYCDOSNew York City Department of Sanitation
- NYCDPRNew York City Department of Parks and Recreation
- NYCMANew York City Metropolitan Area
- NYCMSANew York Consolidated Metropolitan Statistical Area
- NYCRRNew York Codes, Rules and Regulations
- NYHSEESNew York Hazardous Substances Emergency Events Surveillence
- NYILNetherlands Yearbook of International Law
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