The Science plan of the Integrated Global Greenhouse Gas Information System (IG3IS) has recently been published as
GAW Report, 245. An Integrated Global Greenhouse Gas Information System (IG3IS) Science Implementation Plan
About IG3IS
The implementation of the Paris agreement will require governments to make efforts to limit atmospheric concentrations of greenhouse gases and to track their progress towards achievement of the climate goal set by the agreement in a transparent way.
To support these efforts, the 17th World Meteorological Congress adopted a resolution on the implementation of IG3IS with the aim to expand the observational capacity for greenhouse gases (GHG), extend it to the regional and urban domains, and develop the information systems and modelling frameworks to provide information about GHG emissions to society. The Executive Council of the Wold Meteorological Organization (WMO) further approved IG3IS Science Implementation Plan at its 70th session in June 2018 and IG3IS is now moving to its implementation phase.