AUTHOR=Reckermann Marcus , Meier H.E. Markus , Stendel Martin TITLE=Editorial: The Baltic Sea Region in Transition JOURNAL=Frontiers in Earth Science VOLUME=8 YEAR=2020 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2020.589252 DOI=10.3389/feart.2020.589252 ISSN=2296-6463