Climate change, biodiversity loss and environmental pollution are now understood as a systemically intertwined "planetary triple crisis". AI-supported systems can help operators structure their decisions earlier, improve consistency and connect physical processing with digital workflows. The reuse of concrete components is considered one of the most effective levers for reducing CO₂ emissions in the construction industry. A new report shows that a successful circular economy must not only rely on recycling and waste prevention. It depends on strategically managed waste disposal processes. Europe's cities are driving the transition to a circular economy. But there is still a clear gap between ambitious goals and reality.