In the Styrian monthly magazin Business Month of April/May 2021, we promoted the use of membrane technology in the field ofwastewater treatmentas an essential part of a green future. Membrane technology has been our main topic since 1992 and there is increasing demand for this know how. However, membranes are not only the basis of life for all organisms and they are not only used in water technology today, but also increasingly in electrolysis for hydrogen production, in LiPo batteries, in biomethane production and many other future technologies.