The World Data Centre for Greenhouse Gases (WDCGG) is one of the WDCs under the GAW programme. It serves to gather, archive and provide data on greenhouse gases (CO₂, CH₄, CFCs, N₂O, surface ozone, etc.) and related gases (CO, NOx, SO₂, VOC, etc.) in the atmosphere and ocean, as observed under GAW and other programmes.

This web site provides information on greenhouse gases, including WDCGG publications and measurement data contributed by organizations and individual researchers around the world.

If you would like to submit data for the first time, please refer to the WDCGG Data Submission and Dissemination Guide.

The WDCGG starts operation as DCPC (Data Collection or Production Centre) of WMO Information System.