AUTHOR=Wang Can 

TITLE=Grand Challenges in Environmental Systems Engineering

JOURNAL=Frontiers in Environmental Science

VOLUME=9

YEAR=2021

URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2021.809627

DOI=10.3389/fenvs.2021.809627

ISSN=2296-665X