AUTHOR=Gessler Arthur , Ferretti Marco , Schaub Marcus TITLE=Editorial: Forest monitoring to assess forest functioning under air pollution and climate change JOURNAL=Frontiers in Forests and Global Change VOLUME=5 YEAR=2022 URL=https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2022.952232 DOI=10.3389/ffgc.2022.952232 ISSN=2624-893X