![](https://www.ipcc.ch/site/assets/uploads/sites/4/2019/11/Figure-2.8-1018x1024.jpg)
Figure 2.8
Globally averaged atmospheric CH4 mixing ratios (Frame A) and instantaneous rates of change (Frame B) and C isotope/variation (Frame C). Data sources: NOAA/ESRL (www.esrl.noaa.gov/gmd/ccgg/trends_ch4); Dlugokencky et al. (1994) and Schaefer et al. (2016).
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