For non-Annex I countries, EPA and EDGAR inventories show an increasing trend in historical FFGHG emissions (red and green short-dot lines, respectively).
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Revealing the global emission gaps for fully fluorinated greenhouse gases.
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In addition, global total FFGHG emissions reported by the UNFCCC fluctuated widely and a decreasing trend could be found with a decreasing rate of 4.0 Mt CO 2 -eq yr −2 from 1990 to 2021.