The main goal of this learning scenario is to help students realize that the school environment, where they spend a lot of time, is very important for their health, well-being, concentration and studying efficiency. The aim is also to help students become more conscious about the natural environment’s impact on their health. To do so, the first action would be to measure certain air-quality parameters at school. A brainstorming activity will then take place. The students will discuss how to improve air quality at school and then further debate on how they could make school spaces greener. If needed, they could set up a green-wall concept for their school, and eventually build it.