The Group on Earth Observations (GEO) is an intergovernmental organization composed of 109 member governments and 136 participating organizations committed to promoting and developing access to Earth observation data in an understandable, open, coordinated and sustained manner for all humanity towards a more sustainable planet. Earth observation data proposed and supported by GEO include satellite, aerial, in situ platform and citizen observatories. These data are also used by the international scientific community to study the Earth system and for the science of sustainable development in general. These data, which cover the terrestrial, oceanic and atmospheric environments, are essential for most models used to predict future developments of the Earth system and thus enable societies to mitigate risks and adapt.

GEO’s current priority is to provide guaranteed and open access to all the data and indicators needed to implement international agreements on climate (Paris Agreement), disaster risk (Sendai Framework for Action) and sustainable development goals (SDOs). The GEO programme builds on 55 international thematic initiatives and the development of a Global Earth Observation System of Systems (GEOSS). GEOSS is a portal to all metadata of existing Earth observation data. Finally, GEO is currently working on the establishment of a Knowledge Hub that extends data exchange to other components necessary for the replicability of knowledge and applications produced by the GEO community. This open source digital library will provide a standardized link to the observational data associated with the methods and algorithms and the scientists and collaborators who produced them, as well as the policy mandates and deployment strategies associated with these data.

The GEO Secretariat, composed of about 20 members, is hosted at the World Meteorological Organization (WMO) in Geneva.

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