The author of this article conducts an analysis of the lawmaking practice in the member states of the Eurasian Economic Union aimed at creating a digital space for the collection, analysis and assessment of the impact on climate including the creation of national greenhouse gas inventory systems. All countries of the EAEU are involved in the process of renewing their own state legislation aimed at creating greenhouse gas inventory information systems to various extents. The author makes a conclusion that it is necessary to provide the EAEU with the relevant competence in the area of the implementation of the climate agenda and to put emphasis on the integrated level of cooperation.