This conference is part of a program of two debates on eco-acoustics and energy issues related to the ocean, bringing together French and Portuguese researchers and artists. On the 15th of September 2022, before the opening of the Berru collective exhibition at the Vidéoformes festival, a second roundtable will take place at the Clermont-Ferrand University with the Berru collective, Roberto Gamboa, researcher at the University of Lisboa, specialist in marine energy production, among others, moderated by Eslise Aspord, co-founder of the Vidéoformes festival and researcher at Clermont-Ferrand University.