For sustainable change, linear building processes must be replaced by circular processes. The IMPACT HUB BERLIN at CRCLR-HOUSE shows how the preservation of existing buildings and the use of sustainable, renewable and recycled materials can positively change the building of tomorrow. This lecture is accredited by the AK Berlin. Community and Coworking Space IMPACT HUB BERLIN at CRCLR-HOUSE in Berlin Neukölln (Foto © Studio Bowie)