
New construction as an exception? “Waste” as a new building material? Affordable housing vs. climate protection? How do we design a building’s whole lifecycle? How do we calculate grey energy honestly? What is zero-carbon concrete? Which insights are new, and how can we tap past knowledge to develop solutions for the future? How do we shape this complex change process together? “Second City. On the New in the Old” is the theme of Architecture Matters 2023, where we will explore this topic at different levels: materials, buildings, society.