Nature 491, 683–691 (2012); doi:10.1038/nature11574

The surname of author V. Masson-Delmotte was misspelled as Masson-Demotte. In Table 1 of this Perspective, the ‘Source’ for ‘Label in Fig. 3’ entry 13 should be ref. 61 (not ref. 65). In addition, the x-axis labels of Fig. 3c were misplaced. Figure 1 shows the corrected panel and the original Perspective has been corrected online.

Figure 1
figure 1

This is the corrected Fig. 3c.

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