A methodological approach for vertical greening systems modeling optimization: A case study in Athens, GreeceTriantafyllos Ampatzoglou, Francesca Mosca, Marta Pianta, Enrica Roccotiello, Vasiliki Geropanta and Katia PeriniE3S Web Conf., 585 (2024) 01013DOI: https://doi.org/10.1051/e3sconf/202458501013