For those who shape the built environment, the forces impacting the 21^st century present a relevance revolution. The importance of what, where, and how we build has never been more consequential. The actions of today’s building-sector professionals will chart the course of humanity’s urban future. What will it be? “If the Past Teaches, What Does the Future Learn?” From a career of rescuing buildings from demolition and repurposing them, Carl Elefante shares his experiences prioritizing stewardship and applying the lessons of built heritage for strong and abundant communities.