Peak and 2100 concentration levels of total greenhouse gasses in the atmosphere consistent with keeping the global average temperature increase below 1.5 °C (left) and 2 °C (right), for various probability levels

Figure Created 18 Mar 2019 Published 20 Mar 2019 Last modified 05 Dec 2019
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The number of years within which the peak concentration levels could be exceeded are indicated by the purple arrows, given the trend in total greenhouse gas concentrations over the past 10 years (based on IPCC, 2018)


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