HopfonThe Munich-based startup Hopfon develops recyclable and climate-neutral building materials from agricultural waste, such as hops. The founding team, consisting of Mauricio Fleischer Acuña, Marlene Stechl, Matthias Steiger, and Thomas Rojas, also won the first "Munich Impact Award" from the City of Munich with this idea. In an interview, Mauricio Fleischer explains what advantages hops have over other building materials. (Image: Hopfon)