AUTHOR=Armaroli Clara , Jackson Derek W. T. , Reed Denise J. , Viavattene Christophe TITLE=Editorial: Coastal Risk: Shores and Deltas in Peril JOURNAL=Frontiers in Earth Science VOLUME=7 YEAR=2019 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2019.00323 DOI=10.3389/feart.2019.00323 ISSN=2296-6463