| AfWCCI |
African Water Cycle Coordination Initiative |
| AMIS |
Agricultural Market Information System |
| ARD |
Afforestation/Reforestation/Deforestation |
| ASI |
Agenzia Spaziale Italiana |
| AVHRR |
Advanced Very High Resolution Radiometer |
| AWCI |
Asian Winter Cycle Initiative |
| BNSC |
British National Space Centre |
| CAST |
Chinese Academy of Space Technology |
| CCI |
Climate Change Initiative |
| CCRS |
Canada Centre for Remote Sensing |
| CDR |
Climate Data Record |
| CDTI |
Centre for the Development of Industrial Technology |
| CEO |
CEOS Executive Officer |
| CEOP |
Coordinated Enhanced Observing Period |
| CEOS |
Committee on Earth Observation Satellites |
| CGMS |
Coordination Group for Meteorological Satellites |
| CIEHLYC |
Water Cycle Capacity Building activity in Latin America |
| CliC |
Climate and Cryosphere Project |
| CLOS |
Coordination on Land Observation Satellites |
| CNES |
Centre National d’Etudes Spatiales |
| CONAE |
Comisión Nacional de Actividades Espaciales |
| COP |
Community of Practice |
| COP |
Conference of the Parties |
| CORSS |
Coordination on Ocean Remote Sensing Satellites |
| CRI |
Crown Research Institute |
| CSA |
Canadian Space Agency |
| CSIR |
Satellite Applications Centre (SAC) / Council for Scientific and Industrial Research |
| CSIRO |
Commonwealth Scientific and Industrial Research Organization |
| DEM |
Digital Elevation Model |
| DEWA |
Division of Early Warning and Assessment |
| DLR |
Deutsches Zentrum für Luft-und-Raumfahrt |
| DoD |
US Department of Defense |
| DRM |
Disaster Risk Management |
| DRR |
Disaster Risk Reduction |
| EC |
European Commission |
| EC-MARS |
European Commission’s Monitoring Agriculture with Remote Sensing |
| ECV |
Essential Climate Variable |
| EO |
Earth Observation |
| ERB |
Earth Radiation Budget |
| ESA |
European Space Agency |
| ESCAP |
Economic and Social Commission of Asia and the Pacific |
| EUCENTRE |
European Centre for Training and Research in Earthquake Engineering |
| Eumetsat |
European Organisation for the Exploitation of Meteorological Satellites |
| FAO |
UN Food and Agriculture Organization |
| fAPAR |
Fraction of absorbed photo synthetically active radiation |
| FAS-USDA |
United States Department of Agriculture Foreign Agricultural Service |
| FCDR |
Fundamental Climate Data Record |
| FCPF |
World Bank Forest Carbon Partnership Facility |
| FCT |
GEO Forest Carbon Tracking Task |
| FRA |
UN-FAO Forest Resources Assessment |
| GAW |
Global Atmosphere Watch |
| GCN |
Global Core Network |
| GCOS IP |
Implementation Plan for the Global Climate Observing System |
| GCW |
Global Cryosphere Watch |
| GDP |
Gross Domestic Product |
| GEF |
Global Environment Facility |
| GEO |
Group for Earth Observations |
| GEO-FCT |
GEO Forest Carbon Tracking Task |
| GEO-GLAM |
GEO Global Agricultural Monitoring initiative |
| GEOSS |
Global Earth Observation System of Systems |
| GEWEX |
Global Energy and Water Cycle Experiment |
| GFDRR |
Global Facility for Disaster Reduction and Recovery |
| GFOI |
Global Forest Observations Initiative |
| GGOS |
Global Geodetic Observing System International Programme |
| GHG |
Greenhouse Gas |
| GIS |
Geographic Information System |
| GISTDA |
Geo-Informatics and Space Technology Development Agency |
| GLOSS |
Global Sea Level Observing System |
| GMES |
Global Monitoring for Environment and Security |
| GOFC-GOLD |
Global Observations of Forest Cover and Land Cover Dynamics |
| GOOS |
Global Ocean Observing System |
| GOS |
| Global Observing System
| GPCP |
Global Precipitation Climatology Project |
| GPM |
Global Precipitation Measurement |
| GPS |
Global Positioning Satellite/System |
| GTOS |
Global Terrestrial Observing System |
| GWSP |
Global Water System Project |
| ICSU |
International Council for Science |
| IFCI |
Australia’s International Forest Carbon Initiative |
| IGACO |
Integrated Global Atmospheric Chemistry Observations |
| IGBP |
International Geosphere–Biosphere Programme |
| IGCO |
Integrated Global Carbon Observation |
| IGOS |
Integrated Global Observing Strategy |
| IGWCO |
GEO Integrated Global Water Cycle Observations Theme |
| INPE |
Instituto Nacional de Pesquisas Espaciais |
| INSAR |
Interferometric Synthetic Aperture Radar |
| IOC |
Intergovernmental Oceanographic Commission |
| IOCCG |
International Ocean Colour Coordinating Group |
| IPCC |
Intergovernmental Panel on Climate Change |
| IPY |
International Polar Year |
| IR |
Infrared |
| ISCCP |
International Satellite Cloud Climatology Project |
| ISPRS |
International Society for Photogrammetry and Remote Sensing |
| ISRO |
Indian Space Research Organisation |
| IWRM |
Integrated Water Resources Management |
| JAXA |
Japan Aerospace Exploration Agency |
| JCOMM |
Joint WMO/IOC Technical Commission on Oceanography and Marine Meteorology |
| KARI |
Korea Aerospace Research Institute |
| LAI |
Leaf Area Index |
| LPI |
Living Planet Index |
| LSI |
Land Surface Imaging |
| MARPOL |
International Convention for the Prevention of Pollution from Ships |
| MDG |
Millennium Development Goal |
| MEA |
Multilateral Environmental Agreements |
| MEXT |
Japanese Ministry of Education, Culture, Sports, Science and Technology |
| MIM |
CEOS Missions, Instruments and Measurements database |
| MRV |
Measurement Reporting and Verification |
| NASA |
National Aeronautics and Space Administration |
| NASDA |
National Space Development Agency of Japan |
| NASRDA |
National Space Research and Development Agency |
| NDVI |
Normalised Difference Vegetation Indices |
| NGOs |
Non-Governmental Organisations |
| NOAA |
National Oceanic and Atmospheric Administration |
| NRSCC |
National Remote Sensing Centre of China |
| NSAU |
National Space Agency of Ukraine |
| NSC |
Norwegian Space Centre |
| NSMC/CMA |
National Satellite Meteorological Center/Chinese Meteorological Administration |
| NSO |
Netherlands Space Office |
| NWP |
Numerical Weather Prediction |
| OLR |
Outgoing Longwave Radiation |
| OSTC |
Federal Office for Scientific, Technical and Cultural Affairs |
| REDD |
Reducing Emissions from Deforestation in Developing Countries |
| Roshydromet |
Russian Federal Service for Hydro-meteorology and Environment Monitoring |
| Roskosmos |
Russian Federal Space Agency |
| SAC/CSIR |
Satellite Applications Centre/Council for Scientific and Industrial Research |
| SANSA |
South Africa National Space Agency |
| SAR |
Synthetic Aperture Radar |
| SCAR |
Scientific Committee on Antarctic Research |
| SDCG |
Space Data Coordination Group |
| SEO |
CEOS Systems Engineering Office |
| SIRAL |
SAR/Interferometric Radar Altimeter |
| SIT |
Strategic Implementation Team |
| SNSB |
Swedish National Space Board |
| SST |
Sea-Surface Temperature |
| STG |
IPY Space Task Group |
| TCDR |
Thematic Climate Data Records |
| TSI |
Total Solar Irradiance |
| Tubitak-Uzay |
Space Technology Research Institute of Turkey |
| UN |
United Nations |
| UNDP |
United Nations Development Program |
| UNEP |
United Nations Environment Programme |
| UNESCO |
United Nations Educational, Scientific and Cultural Organization |
| UNFCCC |
UN Framework Convention on Climate Change |
| UNISDR |
UN International Strategy for Disaster Reduction |
| UNOOSA |
United Nations Office of Outer Space Affairs |
| USGS |
United States Geological Survey |
| UTLS |
Upper Troposphere/Lower Stratosphere |
| UV |
Ultra-violet |
| WCRP |
World Climate Research Programme |
| WGCBDD |
Working Group on Capacity Building and Data Democracy |
| WGClimate |
Working Group on Climate |
| WGCV |
Working Group on Calibration and Validation |
| WGEDU |
Working Group on Earth Observation Education, Training, and Capacity Building |
| WGISS |
Working Group on Information Systems and Services |
| WHYCOS |
World Hydrological Cycle Observing System |
| WMO |
World Meteorological Organization |
| WSSD |
World Summit on Sustainable Development |
| WWW |
World Weather Watch |
| ZKI |
DLR Centre for Satellite Based Crisis Information |
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