| AASQA | Associations Agréées de Surveillance de la Qualité de l'Air | In French | → Associations → Meteorology, climatology |
| ABMEE | Agency of Brasov for the Management of Energy and Environment | In English | → Energy economics |
| ACE | Advisory Committee on the Environment | In English | → Nature |
| AdWR | Advances in Water Resources | In English | → Serial publications, periodicals → Hydrology → 504062 |
| ALF | Animal Liberation Front | In English | → International relations |
| AMINAL | Administratie voor Milieu, Natuur en Landbouw | In Dutch | → Public administration, government → Nature |
| ANB | Agentschap voor Natuur en Bos | In Dutch | → Nature |
| ApEnM | Applied Environmental Microbiology | In English | → Serial publications, periodicals → Microbiology |
| ASTE | Association pour le Développement des Sciences et Techniques de l'Environnement | In French | → Associations → Nature |
| AtmEn | Atmospheric Environment | In English | → Serial publications, periodicals → Meteorology, climatology → 5043 |
| AWF | Alabama Wildlife Federation (www.alabamawildlife.org) | In English | → Organizations and associations → Nature |
| BAS | British Antartic Survey | In English | → Earth sciences |
| BEE | Bureau Européen de l'Environnement | In French | → Nature |
| BfN | Bundesamt für Naturschutz (www.bfn.de) | In German | → Central administration → Nature |
| BioTreaT | Biological Treatment and Recycling Technologies | In English | → 50406 → Environmental technology, water supply, waste management |
| CAUE | Conseil en Architecture, Urbanisme et Environnement | In French | → Architecture |
| CEDRE | Centre de Documentation, de Recherche et d'Expérimentations sur les pollutions accidentelles des eaux | In French | → Nature |
| CEPIS | Centro Pan-americano de Engenharia Sanitária e Ciências do Ambiente (www.cepis.ops-oms.org) = CEPIS | Centro Panamericano de Ingeniería Sanitaria y Ciencias del Ambiente | In Spanish |
In Portuguese | → Organizations and associations → Medicine |
| CEPIS | Centro Panamericano de Ingeniería Sanitaria y Ciencias del Ambiente (www.cepis.ops-oms.org) = (look above) |
In Spanish | → Organizations and associations → Medicine |
| CEREGE | Centre Européen de Recherche et d'Enseignement des Géosciences de l'Environnement | In French | → Education → Earth sciences |
| CERR | Centre d'Écologie des Ressources Renouvelables | In French | → Nature |
| CESTMed | Centre d'Étude et de Sauvegarde des Tortues marines de Méditerranée | In French | → Zoology |
| CFME | Centre de Formation aux Métiers de l'Environnement | In French | → Education → Environmental technology, water supply, waste management |
| COREO | Consortium of Regional Ecological Observatories | In English | → Organizations and associations → Ecology |
| CORINE | Coordination des Informations sur l'Environnement | In French | → Nature |
| COVNM | Composés Organiques Volatils Non Méthaniques | In French | → Nature |
| CROP | Community Recycling for Organic Produce | In English | → Nature |
| CSE | Centre for Science and Environment | In English | → Nature |
| CUTEC | Clausthaler Umwelttechnik-Institut | In German | → Nature → Agricultural sciences |
| DDEN | Direction Départementale de l'Environnement et de la Nature | In French | → Regional administration → Nature |
| DIREN | Direction Régionale de l'Environnement | In French | → Public administration, government → Nature |
| DWR | Department of Water Resources | In English | → Hydrology |
| EDIS | Environmental Data and Information Service | In French | → Libraries → Nature |
| EE | Éducation à l'Environnement | In French | → Education |
| EEA | European Environmental Agency | In English | → Organizations and associations → Nature and society → International economic cooperation |
| EIONET | European Environment Information & Observation Network | In English | → Nature |
| ELF | Earth Liberation Front | In English | → International relations |
| EnEng | Environmental Engineering | In English | → Serial publications, periodicals → Engineering, technology |
| ENS | Espaces Naturels Sensibles | In French | → Nature |
| EnST | Environmental Science Technology | In English | → Serial publications, periodicals → Engineering, technology |
| EnTox | Environmental Toxicology | In English | → Serial publications, periodicals |
| Env | Environmentrics | In English | → Serial publications, periodicals → Engineering, technology |
| ENVISAT | Environmental Satellite | In English | → Spaceflight engineering, astronautics |
| EPA | Environmental Protection Agency | In English | → Public administration, government → Nature |
| ERIN | Earth Resources Information Network | In English | → Earth sciences |
| ERS | Environmental Research Satellite | In English | → Spaceflight engineering, astronautics |
| ESSA | Environmental Sciences Services Administration | In English | |
| ETWQ | Environmental Toxicology and Water Quality | In English | → Serial publications, periodicals → Hydrology |
| EWG | Environmental Working Group (www.ewg.org) | In English | → Organizations and associations → Nature and society |
| FNE | France Nature Environnement | In French | → Organizations and associations → Nature |
| FRAPNA | Fédération Rhône-Alpes de Protection de la Nature | In French | → Organizations and associations → Nature |
| G2E | Géologie, Eau et Environnement | In French | → Education → Earth sciences |
| GBIF | Global Biodiversity Information Facility | In English | |
| GEF | Global Environmental Fund | In English | → Nature |
| GEF | Global Environment Facility | In English | → International relations → Nature |
| GEMS | Global Environmental Monitoring System | In English | |
| GESAMP | Group of Experts on the Scientific Aspects of Marine Environmental Protection | In English | → Nature |
| GMES | Global Monitoring for Environmental and Security | In English | → Nature |
| GOES | Geostationary Operational Environmental Satellite | In English | → Spaceflight engineering, astronautics |
| GTVE | Groupe de Travail sur la Vérification Environnementale | In French | → Nature and society |
| IDEMU | Institut de l'Écologie en Milieu Urbain | In French | → Ecology |
| IES | Institute for Environment and Sustainability | In English | → Nature |
| IFEN | Institut Français de l'Environnement | In French | → Research institutes → Nature |
| IFM | Institut Français de la Mer | In French | → Research institutes → Marine research, oceanography |
| INTERLAND | Innovative Technologies for Remediation of Landfills and Contaminated Soils | In English | → Nature → Biotechnology → Agricultural sciences |
| ISE | Istituto per lo Studio degli Ecosistemi | In Italian | |
| ISIREMM | Integrated System for Intelligent Regional Environmental Monitoring and Management | In English | → Nature |
| ISPL | Institut Pierre-Simon Laplace (des Sciences de l'Environnement Global) | In French | |
| IUT | Institut für Umwelttechnik | In German | → Agricultural sciences → Nature |
| JEnvS | Journal of Environmental Sciences | In English | → Serial publications, periodicals → Nature |
| JGOFS | Joint Global Ocean Flux Study | In English | → Marine research, oceanography |
| JMS | Journal of Marine Systems | In English | → Serial publications, periodicals → Marine research, oceanography |
| JSAPJ | Japan Society of Air Pollution Journal | In English | → Serial publications, periodicals → Nature → Meteorology, climatology |
| LACE | Laboratoire d'Application de la Chimie à l'Environnement | In French | → Research institutes → Nature → Chemistry |
| LADA | Land Degradation Assessment in Drylands | In English | → Nature → Earth sciences |
| LEGMA | Latvian Environment, Geological and Meterological Agency | In English | → Nature → Earth sciences → Meteorology, climatology |
| LSCE | Laboratoire des Sciences du Climat et de l'Environnement | In French | → Meteorology, climatology |
| M3E | Modélisation pour l'Énergie, l'Économie, l'Énvironnement | In French | → Economics → Energy economics |
| MDDEP | Ministère du Développement Durable, de l'Environnement et des Parcs du Québec | In French | → Central administration → Nature |
| MEMMS | Modélisation des Écosystemes Marins et Monitoring par Satellites | In French | → Marine research, oceanography → Spaceflight engineering, astronautics |
| NARME | Natural Resources Management and Ecological Engineering | In English | → Ecology |
| NESS | National Environmental Satellite Service | In English | → Spaceflight engineering, astronautics |
| NOES | National Operational Environmental Satellite | In English | → Spaceflight engineering, astronautics |
| NUA | Niederösterreichische Umweltschutzanstalt | In German | → Nature |
| OFBSL | Observatoire de la Foresterie du Bas-Saint-Laurent | In French | → Agricultural sciences |
| ORE | Observatoire de Recherche en Environnement | In French | → Nature |
| ÖVA | Osterreichischer Verein für Altlastenmanagement | In German | → Nature |
| PAGES | Past Global Changes | In English | → Meteorology, climatology |
| PRIMEQUAL | Programme de Recherche Interorganismes pour une Meilleure Qualité de l'Air à l'échelle Locale | In French | → Meteorology, climatology |
| REC | Regional Environmental Center for Central and Eastern Europe | In English | |
| RECOVER | Research on Coping with Vulnerability to Environmental Risk | In English | → Nature |
| REVIVAL | Retrofitting for Environmental Viability Improvement of Valued Architectural Landmarks | In English | → Regional planning → Architecture |
| RNOL | Réseau National d'Observation du Littoral | In French | |
| Safire | Service des Avions Français Instrumentés pour la Recherche en Environnement | In English | → Aeronautics, aircraft → Nature |
| SERF | Space Environment Research Facility | In English | → Astronomy |
| SIE | Système d'Information Environnementale | In French | → Nature |
| UBA | Umweltbundesamt | In German | → Central administration |
| UWS | Urban Wildlife Society (www.urbanwildlifesociety.org) | In English | → Organizations and associations → Ecology |
| VSG | Verband zum Schutze des Greifensees | In German | → Organizations and associations → Nature |
| WWF | World Wildlife Fund (www.wwf.org) | In English | → Organizations and associations → Nature and society |
| WWF | World Wide Fund for Nature | In English | → Nature |
| ZNIEFF | Zone Naturelle d'Intérêt Écologique Faunistique et Floristique | In French | → Ecology → Botany → Zoology |
| ZNIEFF | Zone Naturelle d'Intérêt Écologique, Faunistique et Floristique | In French | → Regional planning → Ecology |
| ZUN | Zentrum für Umwelt- und Naturschutz | In German | → Nature |