A major aspect of sustainability — a core component in many MIT School of Architecture and Planning (SA+P) courses — is considering the future effect of any given business practice or product. Sustainability was top-of-mind for Skylar Tibbits, associate professor of design research and director of MIT’s design major and minor programs, and Jeremy Carmine Bilotti SM ’21 when planning course 4.041 (Advanced Product Design) last spring. Collaborating with the family-run furniture company Emeco, the discussion eventually landed on its famous “1006 Navy” chair. Designed in aluminum for U.S. Navy…