This life cycle talk highlights impending urban challenges: rising metabolism, material consumption, and waste from 80% urban population by 2030. Global material use will triple, construction waste's third of Europe's waste. Circular urban metabolism boosts efficiency, less waste. Cradle to Cradle aims waste-free, circular economy cuts waste, uses renewables. Life cycle thinking, assessment, costing crucial for lifespan impact. Architectural longevity through retrofitting, durability, adaptability. Urgent shift from linear to circular urban systems stressed, offering sustainable urban development.

Recorded by Urszula Kozminska, images by Essi Nisonen and Veera Saastamoinen