This is a collaborative podcast co-created by the partners and students participating in the eTwinning project “Environmental STEMgineers” and the invited expert and environmental engineer Patroklos Mouchtaropoulos. The responsibilities and challenges related to the career of an environmental engineer, waste management and environmental protection methods were discussed, while valuable knowledge was shared. The Podcast is the common product of the following partners and their students: Aglaia Mantzana, 8th Primary School, Chaidari Greece, Chrisa Hatzisavva 4th Junior High School of Chios, Greece, Seyhan Pullukcu, Fatih IS Art and Science Center, Turkiye, Elif Kuscuoglu and Simge SEVINC Guner, Gubretas Secondary School, Turkiye, Patricia Santos, Agrupamento de escolas Afonso de Paiva, Portugal, Theodora Lymperi, Christos Koukoumis, Evangelia Tsakou, and Zoe Diamantopoulou, Junior High School of Moudros, Greece, Eirini Keskini, 3rd Gymnasium of Chalkida, Greece, and Mariko Chakhvashvili, LEPL Tsilkani Village Public School of Mtskheta Municipality, Georgia.