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The objectives and outputs of G3W are formulated in the concept note approved and included in the 19th World Meteorological Congress’ report1. The 1stGlobal Stocktake4 (GST-1) presented at COP28, already made use of some of the systems that will be foundational for G3W and highlighted the limited progress towards meeting the goals of the Paris Agreement, and this outcome underpins the need for accelerating ambition in their next round of climate action plans due in 2025.
Figure 1. G3W infographic of the Implementation timeline, scope, and context.
For purpose of simplification, only CO2 is presented, while three gases (CO2, CH4, and N2O) are the focus of the G3W implementation plan.
It is anticipated that ongoing and new research to develop capabilities to further separate these net fluxes into source-apportioned emissions will lead to additional operational products in the future. Per WMO's data policy (Resolution 1 (Cg-Ext(2021)) and in the interest of maintaining transparency as required under the Paris Agreement, the data are expected to be made available to all interested users on a free and unrestricted basis.
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| Action GOV1: Create a working structure under Commission for Observation, Infrastructure and Information Systems (INFCOM) for coordination of technical implementation activities. The G3W Advisory Group should be co-chaired by those designated by INFCOM and the Global Atmosphere Watch (GAW) and is expected to consist of up to 20 members, representing, the Commission for Weather, Climate, Hydrological, Marine and Related Environmental Services and Applications (SERCOM), and the Research Board (RB) and different areas of the expertise in greenhouse gases. |
| Action GOV2: Utilize the WMO Climate Policy Advisers Group for the high-level positioning and outreach with adjustment to the Terms of Refence (ToRs) and membership to comprehensively cover the G3W topics. |