International audienceOn behalf of the Editorial Board and Staff of Earth and Space Science, I thank the reviewers whose selfless dedication to science has ensured, once again, that the papers published in our journal in 2021 highlight the best Earth and space science in a manner that does justice to the authors and their work. All of us at Earth Peer reviewing is a demanding and often thankless job. It is however an essential component of the scientific process, ensuring the highest standards of integrity and rigor. Without the work of reviewers, who check data and procedures for possible bias and to ensure reproducibility, and who share their expertise to verify that the interpretations and conclusions of a paper are consistent with assum...