The way to a healthier planet is not always one with direct actions. Being patient, collecting data and developing new methods for taking measurements will help us understand the parameters necessary to create a more sustainable environment. This is what the research of Yannick Wiegers, PhD candidate at the Ecology and Biodiversity research group of the Institute of the Environmental Biology teaches us. Five questions to Yannick on his current research and how this contributes to the pathway of a more healthy planet.