AUTHOR=Frias João P. , Ivar do Sul Juliana A. , Panti Cristina , Lima André R. A. TITLE=Editorial: Microplastics in the Marine Environment: Sources, Distribution, Biological Effects and Socio-Economic Impacts JOURNAL=Frontiers in Environmental Science VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2021.676011 DOI=10.3389/fenvs.2021.676011 ISSN=2296-665X