AUTHOR=Ming Jing , Lee Khanghyun , Wang Feiteng , Zhang Tong , Kjær Helle Astrid TITLE=Editorial: Impure Snow and Ice in Remote Areas: Arctic, Antarctica and High Mountains JOURNAL=Frontiers in Earth Science VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2021.780068 DOI=10.3389/feart.2021.780068 ISSN=2296-6463