Spencer Checkoway, a research assistant at the School for Environment and Sustainability (SEAS) Center for Sustainable Systems (CSS) is first author of a new study, "Carbon and energy footprinting across archetypes for U.S. maple syrup production." He answered five questions about the study, its findings and the main recommendations made by the authors. The other authors of the study are SEAS Professor and CSS Co-Director Gregory Keoleian and CSS Research Specialist Geoffrey Lewis.