To outline a rounded picture of sustainability communication, the next step highlights the limitations of sustainability communication and the challenges associated with it in practice. One of the biggest challenges described is credibility issues, which are often a result of so-called "greenwashing," meaning deliberate misinformation or obfuscation for image purposes. In the concluding summary of Chapter 3, the essential statements are presented clearly once again. To visualize the three core points—namely the potentials, framework conditions, and challenges of sustainability communication—the metaphor of the onion is used. An overview of the core contents of the third chapter is illustrated in the following figure. What the reader should not expect from Chapter 3 is.