For the diffusion of the movie “Les Gardiennes de la Planète” at Toulon cinema Pathé Liberté, a scientists group has been made to answer the public questions. Accompagnied by the movie director, and some associations, Stéphane Chavin was representing CIAN and DYNI team. The 170 people presents asked to the team many questions, few of them about the acoustic perturbation on marine mammals due to the anthropic activities and the different solutions that could be implemented to address this issue such as the speed limitation near the shores.