47
Current Status and Trends
Section 2
Table 2.1: Assessment of observed changes in large-scale indicators of mean climate across climate system components, and their attribution to human 
inﬂuence. The colour coding indicates the assessed conﬁdence in / likelihood76 of the observed change and the human contribution as a driver or main driver (speciﬁed in that case) 
where available (see colour key). Otherwise, explanatory text is provided. {WGI Table TS.1}
76 
Based on scientiﬁc understanding, key ﬁndings can be formulated as statements of fact or associated with an assessed level of conﬁdence indicated using the IPCC calibrated language.