Correction to: Nature Geoscience https://doi.org/10.1038/s41561-018-0116-6, published online 30 April 2018.

In the version of the article initially published, the number of Black PhD recipients was underreported due to an error during figure preparation. The amended figure can be seen below as Fig. 1.

Fig. 1
figure 1

Corrected Fig. 1.