Oops, they did it again: The Changency and Green Events Hamburg aka the team behind SUSTAIN! - Green Culture Summit are once again bringing sustainable sessions to the Reeperbahn Festival this year! If your heart is a heat pump and beats for inspiring practical examples, then you've come to the right place. In this kickoff, Lena Hansen, Sarah Lüngen and Katrin Wipper paint a positive picture of this strong and great community that realises sustainable events and present the following SUSTAIN! programme.