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 About GAW

The Global Atmosphere Watch (GAW) programme of WMO ( coordinates global atmospheric chemistry observation, analysis and scientific assessment related to the changing composition of the earth's atmosphere and its effects on weather, climate, water and the environment. GAW is the lead programme for implementing action in the atmospheric composition domain of the Global Climate Observing System (GCOS) on essential climate variables (greenhouse gases, ozone and aerosols). It is a major contributor to the Global Earth Observation System of Systems (GEOSS) coordinating integrated global atmospheric chemistry observation and research on greenhouse gases, ozone, aerosols, reactive gases and precipitation chemistry.

The mission of GAW is to:
  • Reduce environmental risks to society and meet the requirements of environmental conventions.
  • Strengthen capabilities to predict climate, weather and air quality.
  • Contribute to scientific assessments in support of environmental policy.

To be achieved through:
  • Maintaining and applying global, long-term observations of the chemical composition and selected physical characteristics of the atmosphere.
  • Emphasizing quality assurance and quality control.
  • Delivering integrated products and services of relevance to users.

 Go to the WMO website