Lewis H. Ziska is associate professor of environmental health sciences at Columbia University’s Mailman School of Public Health. He served for nearly twenty-five years as a scientist at the U.S. Department of Agriculture, resigning in 2019 to protest interference by the Trump administration with his research into the effects of rising carbon dioxide on rice cultivation. His books include Agriculture, Climate Change, and Food Security in the Twenty-First Century: Our Daily Bread (2017).
