On December 3, the China Meteorological Administration released the China Greenhouse Gas Bulletin (2024) (hereinafter referred to as the Bulletin). The Bulletin indicates that in 2024, the growth rate of China's total anthropogenic carbon emissions narrowed significantly, falling below the global growth rate. China's active implementation of carbon reduction commitments has achieved tangible results.

The Wariquan Global Atmospheric Reference Station is China's sole atmospheric reference station included in the World Meteorological Organization (WMO) Global Atmospheric Watch (GAW) program, representing atmospheric baseline conditions in the interior of the Eurasian continent. The Bulletin shows that in 2024, the annual average concentration of carbon dioxide at the Wariquan Global Atmospheric Reference Station rose to 424.9 parts per million (ppm) (the volume of pollutants contained in one million volumes of air), an increase of 3.5 ppm compared to 2023, matching the global average increase. Annual average concentrations of carbon dioxide and methane observed at China's regional atmospheric background stations in 2024 showed an upward trend compared to 2023. Among these, the annual average carbon dioxide concentration increases at Shangdianzi, Longfengshan, and Shangri-La stations were all below the global average. The China Meteorological Administration has established an integrated operational system encompassing “observation-operation-calibration-quality control-application,” with observation data quality meeting international standards.

In 2021, the China Meteorological Administration established the China Carbon Source and Sink Monitoring and Verification Support System, enabling monitoring and verification of anthropogenic carbon emissions and natural carbon sink changes at global, national, provincial, and municipal scales. Assessments indicate that China's anthropogenic carbon emissions increased by approximately 0.6% in 2024, a significant narrowing compared to the 2023 growth rate and lower than the global increase of 0.8%.

As the scientific and foundational support agency for China's climate change response efforts, the China Meteorological Administration has published national greenhouse gas monitoring data for 14 consecutive years. Moving forward, it will further optimize the layout of its greenhouse gas observation network, enhance high-precision atmospheric greenhouse gas monitoring and dynamic analysis, improve carbon dioxide budget accounting capabilities, deepen research on the impact and feedback mechanisms of greenhouse gases on weather and climate, and actively provide robust scientific support for climate change mitigation.

Previously, the WMO released the WMO Greenhouse Gas Bulletin (2024), indicating that global near-surface concentrations of major greenhouse gases continued to rise in 2024. The annual increase in the global atmospheric average concentration of carbon dioxide reached 3.5 parts per million (ppm), marking the largest annual increment since modern observations began in 1957.

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