AUTHOR=Renforth Phil , Kato Etsushi , van der Spek Mijndert TITLE=Editorial: Insights in negative emission technologies: 2021 JOURNAL=Frontiers in Climate VOLUME=5 YEAR=2023 URL=https://www.frontiersin.org/journals/climate/articles/10.3389/fclim.2023.1161092 DOI=10.3389/fclim.2023.1161092 ISSN=2624-9553