Eden – Un Pianeta da salvare (La7): speaks the professor of Environmental Engineering, Mario Grosso by Cinzia Vajani | Jan 15, 2021Watch again the episode and his speech (about at 1:50:20) at the following link: https://www.la7.it/eden/rivedila7/eden-un-pianeta-da-salvare-puntata-del-912021-10-01-2021-358548
