Proportion of papers surveyed with and without colour issues. Journals considered were Earth System Dynamics (ESD), Geophysical Research Letters (GRL), Ocean Science (OS), Solid Earth (SE) and The Cryosphere (TC) for the years 2005, 2010, 2015 and 2020. Results obtained by Stoelzle and Stein (2021) for Hydrology and Earth System Sciences (HESS) are also included. Source: Westaway (2022)