I found a focused set of official and intergovernmental sources on methane pledge progress, but the retrieved evidence does not give a complete country-by-country inventory or universally comparable reduction totals. The strongest coverage is in UNEP, IEA, World Bank, OECD, ESA, and Global Methane Pledge materials.
Official and intergovernmental sources that discuss national methane commitments, progress updates, and country or sector reporting. These are the best starting points for tracking pledge implementation, but they do not by themselves establish a complete global inventory.
Government, World Bank, and UNEP materials on grants, concessional finance, and program facilities that support methane reduction implementation, monitoring, and related climate action.
Official sources on methane monitoring systems, satellite detection, emissions observatories, and implementation tracking. These are the most relevant sources for evidence on monitoring tech rollouts and operational reporting systems.
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