This project opens an inspiring new chapter of how RWTH could lead by example in the global race of sustainable university campuses by adopting the framework of a Living Lab. This Living lab, a hub for co-creation and real life experimentation can solve our complex societal issues and improve the validity of our outcomes. In turn, allowing us to replicate and upscale the solutions. It brings together stakeholders from various fields of study, research, and industry to co-work on urgent issues - in specific addressing the issue of sustainability we all face today. The tools used to tackle this are nature based solutions. The project has identified the problematic areas at Campus Mitte that are in urgent need of interventions. Through an extensive research, analysis, and the process of trial and error, we have proposed design solutions for the selected sites. This is followed by the development of a Toolkit, an essential part of a Living Lab, that aims to guide other campuses in creating a sustainable universit