Hattie Hartman, an American architect and sustainability editor, joins Dr. Rabia Sheref, a circular built environment expert, and Chris Lord, a Monocle journalist. They explore how building materials impact the economics and resilience of architecture. The conversation highlights the importance of sustainable practices, including the shift to earth materials and timber innovations. They also discuss exciting developments from a major trade fair in Munich, showcasing the vibrant future of construction and reusing materials to create a circular economy.