The new TZR building unites efficiency, cradle-to-cradle principles, and sufficiency. An 800 m² green south façade provides natural sun protection, supplied with rainwater from a roof tank. The biodiverse roof improves the microclimate and stores water. Durable sheet steel cladding, triple glazing, and an optimized envelope ensure energy efficiency. A heat pump with ceiling sails supplies energy. Flexible workspaces and an innovation forum foster collaboration. Scientifically guided planning optimizes sustainability.