| Groups | Members | Topic |
| 1 | IT Liceo Mamiani: Barretta, Paolini, Pastore IT Zappa: Naomi, Giulia, Martina V., Rebecca R., Nicole ES Paula, Alba, Oriol, Ignasi FR : Tessa, Cécilia, Jihane, Matthias, Maélis, Emmy, Céleste, Léna, Juliette GR: Skamnelou Maria, Tzouma Dimitra, Skourtis Raphael, Tzimas Vasilis | Plastic |
| 2 | IT Liceo Mamiani: Candelaresi, Marturano, Cirelli IT Zappa: Giorgia, Giada, Elisabetta, Samuele, Daniel ES Iván, Andrea, Selena, Joel FR : Clémence, Elisa, Mathilde, Morgane, Flora, Marie, Mélina, Kassidy GR : Pavlos Stavrou,
Sikalos Orestis, Stergioy Nikos | Sustainable Development |
| 3 | IT Liceo Mamiani: Del Baldo, Girometti, Piergiovanni IT Zappa: Sofia N., Gloria, Martina M, Ilaria, Micol ES Cris, Xavi V, Adrià, Arnau FR : Charlie, Luka, Gilles, Yléas, Zélia, Cadine, Jules, Dewey GR : George Tigkas, Demosthenes Tserikis, Tilemachos Christou, Nikos Chartzalas | Transport |
| 4 | IT Liceo Mamiani: Saccomandi, Zhou, Maknine IT Zappa: Rebecca G., Melissa, Sofia C., Sonia, Alessia A. ES Ruben, Laia, Xavi N, Carla FR : Noam, Hugo, Lyssandre, Manon, Elsa, Océane, Iman, Clara, Nora GR : Siafi Dafni, Siorenta Antigoni, Spyridwnos Vicky, Tasopoulou Maria | Greenhouse effect |
| 5 | IT Liceo Mamiani: Shabaj, Giulianelli, Longobardi IT Zappa: Chiara Z., Doaae, Raghda, Gabriele, Matteo ES Sasha, Sara, Marta, Sergi FR : Rhode, Jad, Tiago, Younès, Loan, Titouan, Philémon, Angelo GR Georgia Tzoumi, Polyxeni Chela, Virginia Charisi, Konstantinos Tsampalas | Sustainable Diet |
| 6 | IT Liceo Mamiani: Crinelli, Forlani, Papparelli IT Zappa: Aurora, Alesia M., Iole, Chiara D. ES Pedro, Matheus, Alex, Marc FR : Jules, Eliott, Robin, Aloïs, Aaron, Melvynn, Léo, Yuna, Laurine GR : Thanos Chatzis, Giannis Tsimihodimos
Haris Filis | Wildlife protection and extinction |