AUTHOR=Okpala Charles Odilichukwu R. TITLE=Toward Sustaining Global Food Systems for the Future JOURNAL=Frontiers in Sustainable Food Systems VOLUME=4 YEAR=2020 URL=https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2020.00003 DOI=10.3389/fsufs.2020.00003 ISSN=2571-581X